208217700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 216

約数和(自身を含む): 714954240

約数和(自身を除く): 506736540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 31, 34, 36, 45, 50, 51, 60, 62, 68, 75, 85, 90, 93, 100, 102, 124, 150, 153, 155, 170, 180, 186, 204, 225, 255, 279, 300, 306, 310, 340, 372, 425, 439, 450, 465, 510, 527, 558, 612, 620, 765, 775, 850, 878, 900, 930, 1020, 1054, 1116, 1275, 1317, 1395, 1530, 1550, 1581, 1700, 1756, 1860, 2108, 2195, 2325, 2550, 2634, 2635, 2790, 3060, 3100, 3162, 3825, 3951, 4390, 4650, 4743, 5100, 5268, 5270, 5580, 6324, 6585, 6975, 7463, 7650, 7902, 7905, 8780, 9300, 9486, 10540, 10975, 13170, 13175, 13609, 13950, 14926, 15300, 15804, 15810, 18972, 19755, 21950, 22389, 23715, 26340, 26350, 27218, 27900, 29852, 31620, 32925, 37315, 39510, 39525, 40827, 43900, 44778, 47430, 52700, 54436, 65850, 67167, 68045, 74630, 79020, 79050, 81654, 89556, 94860, 98775, 111945, 118575, 122481, 131700, 134334, 136090, 149260, 158100, 163308, 186575, 197550, 204135, 223890, 231353, 237150, 244962, 268668, 272180, 335835, 340225, 373150, 395100, 408270, 447780, 462706, 474300, 489924, 559725, 612405, 671670, 680450, 694059, 746300, 816540, 925412, 1020675, 1119450, 1156765, 1224810, 1343340, 1360900, 1388118, 1679175, 2041350, 2082177, 2238900, 2313530, 2449620, 2776236, 3062025, 3358350, 3470295, 4082700, 4164354, 4627060, 5783825, 6124050, 6716700, 6940590, 8328708, 10410885, 11567650, 12248100, 13881180, 17351475, 20821770, 23135300, 34702950, 41643540, 52054425, 69405900, 104108850, 208217700]

約数ペア:

[(1, 208217700), (2, 104108850), (3, 69405900), (4, 52054425), (5, 41643540), (6, 34702950), (9, 23135300), (10, 20821770), (12, 17351475), (15, 13881180), (17, 12248100), (18, 11567650), (20, 10410885), (25, 8328708), (30, 6940590), (31, 6716700), (34, 6124050), (36, 5783825), (45, 4627060), (50, 4164354), (51, 4082700), (60, 3470295), (62, 3358350), (68, 3062025), (75, 2776236), (85, 2449620), (90, 2313530), (93, 2238900), (100, 2082177), (102, 2041350), (124, 1679175), (150, 1388118), (153, 1360900), (155, 1343340), (170, 1224810), (180, 1156765), (186, 1119450), (204, 1020675), (225, 925412), (255, 816540), (279, 746300), (300, 694059), (306, 680450), (310, 671670), (340, 612405), (372, 559725), (425, 489924), (439, 474300), (450, 462706), (465, 447780), (510, 408270), (527, 395100), (558, 373150), (612, 340225), (620, 335835), (765, 272180), (775, 268668), (850, 244962), (878, 237150), (900, 231353), (930, 223890), (1020, 204135), (1054, 197550), (1116, 186575), (1275, 163308), (1317, 158100), (1395, 149260), (1530, 136090), (1550, 134334), (1581, 131700), (1700, 122481), (1756, 118575), (1860, 111945), (2108, 98775), (2195, 94860), (2325, 89556), (2550, 81654), (2634, 79050), (2635, 79020), (2790, 74630), (3060, 68045), (3100, 67167), (3162, 65850), (3825, 54436), (3951, 52700), (4390, 47430), (4650, 44778), (4743, 43900), (5100, 40827), (5268, 39525), (5270, 39510), (5580, 37315), (6324, 32925), (6585, 31620), (6975, 29852), (7463, 27900), (7650, 27218), (7902, 26350), (7905, 26340), (8780, 23715), (9300, 22389), (9486, 21950), (10540, 19755), (10975, 18972), (13170, 15810), (13175, 15804), (13609, 15300), (13950, 14926)]