1988870100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:415

約数の個数: 288

約数和(自身を含む): 6868893696

約数和(自身を除く): 4880023596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 137, 140, 150, 155, 175, 186, 210, 217, 223, 274, 300, 310, 350, 372, 411, 420, 434, 446, 465, 525, 548, 620, 651, 669, 685, 700, 775, 822, 868, 892, 930, 959, 1050, 1085, 1115, 1302, 1338, 1370, 1550, 1561, 1644, 1860, 1918, 2055, 2100, 2170, 2230, 2325, 2604, 2676, 2740, 2877, 3100, 3122, 3255, 3345, 3425, 3836, 4110, 4247, 4340, 4460, 4650, 4683, 4795, 5425, 5575, 5754, 6244, 6510, 6690, 6850, 6913, 7805, 8220, 8494, 9300, 9366, 9590, 10275, 10850, 11150, 11508, 12741, 13020, 13380, 13700, 13826, 14385, 15610, 16275, 16725, 16988, 18732, 19180, 20550, 20739, 21235, 21700, 22300, 23415, 23975, 25482, 27652, 28770, 29729, 30551, 31220, 32550, 33450, 34565, 39025, 41100, 41478, 42470, 46830, 47950, 48391, 50964, 57540, 59458, 61102, 63705, 65100, 66900, 69130, 71925, 78050, 82956, 84940, 89187, 91653, 93660, 95900, 96782, 103695, 106175, 117075, 118916, 122204, 127410, 138260, 143850, 145173, 148645, 152755, 156100, 172825, 178374, 183306, 193564, 207390, 212350, 213857, 234150, 241955, 254820, 287700, 290346, 297290, 305510, 318525, 345650, 356748, 366612, 414780, 424700, 427714, 445935, 458265, 468300, 483910, 518475, 580692, 594580, 611020, 637050, 641571, 691300, 725865, 743225, 763775, 855428, 891870, 916530, 947081, 967820, 1036950, 1069285, 1209775, 1274100, 1283142, 1451730, 1486450, 1527550, 1783740, 1833060, 1894162, 2073900, 2138570, 2229675, 2291325, 2419550, 2566284, 2841243, 2903460, 2972900, 3055100, 3207855, 3629325, 3788324, 4277140, 4459350, 4582650, 4735405, 4839100, 5346425, 5682486, 6415710, 6629567, 7258650, 8918700, 9165300, 9470810, 10692850, 11364972, 12831420, 13259134, 14206215, 14517300, 16039275, 18941620, 19888701, 21385700, 23677025, 26518268, 28412430, 32078550, 33147835, 39777402, 47354050, 56824860, 64157100, 66295670, 71031075, 79554804, 94708100, 99443505, 132591340, 142062150, 165739175, 198887010, 284124300, 331478350, 397774020, 497217525, 662956700, 994435050, 1988870100]

約数ペア:

[(1, 1988870100), (2, 994435050), (3, 662956700), (4, 497217525), (5, 397774020), (6, 331478350), (7, 284124300), (10, 198887010), (12, 165739175), (14, 142062150), (15, 132591340), (20, 99443505), (21, 94708100), (25, 79554804), (28, 71031075), (30, 66295670), (31, 64157100), (35, 56824860), (42, 47354050), (50, 39777402), (60, 33147835), (62, 32078550), (70, 28412430), (75, 26518268), (84, 23677025), (93, 21385700), (100, 19888701), (105, 18941620), (124, 16039275), (137, 14517300), (140, 14206215), (150, 13259134), (155, 12831420), (175, 11364972), (186, 10692850), (210, 9470810), (217, 9165300), (223, 8918700), (274, 7258650), (300, 6629567), (310, 6415710), (350, 5682486), (372, 5346425), (411, 4839100), (420, 4735405), (434, 4582650), (446, 4459350), (465, 4277140), (525, 3788324), (548, 3629325), (620, 3207855), (651, 3055100), (669, 2972900), (685, 2903460), (700, 2841243), (775, 2566284), (822, 2419550), (868, 2291325), (892, 2229675), (930, 2138570), (959, 2073900), (1050, 1894162), (1085, 1833060), (1115, 1783740), (1302, 1527550), (1338, 1486450), (1370, 1451730), (1550, 1283142), (1561, 1274100), (1644, 1209775), (1860, 1069285), (1918, 1036950), (2055, 967820), (2100, 947081), (2170, 916530), (2230, 891870), (2325, 855428), (2604, 763775), (2676, 743225), (2740, 725865), (2877, 691300), (3100, 641571), (3122, 637050), (3255, 611020), (3345, 594580), (3425, 580692), (3836, 518475), (4110, 483910), (4247, 468300), (4340, 458265), (4460, 445935), (4650, 427714), (4683, 424700), (4795, 414780), (5425, 366612), (5575, 356748), (5754, 345650), (6244, 318525), (6510, 305510), (6690, 297290), (6850, 290346), (6913, 287700), (7805, 254820), (8220, 241955), (8494, 234150), (9300, 213857), (9366, 212350), (9590, 207390), (10275, 193564), (10850, 183306), (11150, 178374), (11508, 172825), (12741, 156100), (13020, 152755), (13380, 148645), (13700, 145173), (13826, 143850), (14385, 138260), (15610, 127410), (16275, 122204), (16725, 118916), (16988, 117075), (18732, 106175), (19180, 103695), (20550, 96782), (20739, 95900), (21235, 93660), (21700, 91653), (22300, 89187), (23415, 84940), (23975, 82956), (25482, 78050), (27652, 71925), (28770, 69130), (29729, 66900), (30551, 65100), (31220, 63705), (32550, 61102), (33450, 59458), (34565, 57540), (39025, 50964), (41100, 48391), (41478, 47950), (42470, 46830)]