21808777900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1979}}^1$

素因数の和:2193

約数の個数: 216

約数和(自身を含む): 59659150320

約数和(自身を除く): 37850372420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 173, 175, 182, 196, 245, 260, 325, 346, 350, 364, 455, 490, 637, 650, 692, 700, 865, 910, 980, 1211, 1225, 1274, 1300, 1730, 1820, 1979, 2249, 2275, 2422, 2450, 2548, 3185, 3460, 3958, 4325, 4498, 4550, 4844, 4900, 6055, 6370, 7916, 8477, 8650, 8996, 9100, 9895, 11245, 12110, 12740, 13853, 15743, 15925, 16954, 17300, 19790, 22490, 24220, 25727, 27706, 30275, 31486, 31850, 33908, 39580, 42385, 44980, 49475, 51454, 55412, 56225, 60550, 62972, 63700, 69265, 78715, 84770, 96971, 98950, 102908, 110201, 112450, 121100, 128635, 138530, 157430, 169540, 180089, 193942, 197900, 211925, 220402, 224900, 257270, 277060, 314860, 342367, 346325, 360178, 387884, 393575, 423850, 440804, 484855, 514540, 551005, 643175, 684734, 692650, 720356, 787150, 847700, 900445, 969710, 1102010, 1260623, 1286350, 1369468, 1385300, 1574300, 1711835, 1800890, 1939420, 2204020, 2396569, 2424275, 2521246, 2572700, 2755025, 3423670, 3601780, 4450771, 4502225, 4793138, 4848550, 5042492, 5510050, 6303115, 6847340, 8559175, 8901542, 9004450, 9586276, 9697100, 11020100, 11982845, 12606230, 16775983, 17118350, 17803084, 18008900, 22253855, 23965690, 25212460, 31155397, 31515575, 33551966, 34236700, 44507710, 47931380, 59914225, 62310794, 63031150, 67103932, 83879915, 89015420, 111269275, 119828450, 124621588, 126062300, 155776985, 167759830, 218087779, 222538550, 239656900, 311553970, 335519660, 419399575, 436175558, 445077100, 623107940, 778884925, 838799150, 872351116, 1090438895, 1557769850, 1677598300, 2180877790, 3115539700, 4361755580, 5452194475, 10904388950, 21808777900]

約数ペア:

[(1, 21808777900), (2, 10904388950), (4, 5452194475), (5, 4361755580), (7, 3115539700), (10, 2180877790), (13, 1677598300), (14, 1557769850), (20, 1090438895), (25, 872351116), (26, 838799150), (28, 778884925), (35, 623107940), (49, 445077100), (50, 436175558), (52, 419399575), (65, 335519660), (70, 311553970), (91, 239656900), (98, 222538550), (100, 218087779), (130, 167759830), (140, 155776985), (173, 126062300), (175, 124621588), (182, 119828450), (196, 111269275), (245, 89015420), (260, 83879915), (325, 67103932), (346, 63031150), (350, 62310794), (364, 59914225), (455, 47931380), (490, 44507710), (637, 34236700), (650, 33551966), (692, 31515575), (700, 31155397), (865, 25212460), (910, 23965690), (980, 22253855), (1211, 18008900), (1225, 17803084), (1274, 17118350), (1300, 16775983), (1730, 12606230), (1820, 11982845), (1979, 11020100), (2249, 9697100), (2275, 9586276), (2422, 9004450), (2450, 8901542), (2548, 8559175), (3185, 6847340), (3460, 6303115), (3958, 5510050), (4325, 5042492), (4498, 4848550), (4550, 4793138), (4844, 4502225), (4900, 4450771), (6055, 3601780), (6370, 3423670), (7916, 2755025), (8477, 2572700), (8650, 2521246), (8996, 2424275), (9100, 2396569), (9895, 2204020), (11245, 1939420), (12110, 1800890), (12740, 1711835), (13853, 1574300), (15743, 1385300), (15925, 1369468), (16954, 1286350), (17300, 1260623), (19790, 1102010), (22490, 969710), (24220, 900445), (25727, 847700), (27706, 787150), (30275, 720356), (31486, 692650), (31850, 684734), (33908, 643175), (39580, 551005), (42385, 514540), (44980, 484855), (49475, 440804), (51454, 423850), (55412, 393575), (56225, 387884), (60550, 360178), (62972, 346325), (63700, 342367), (69265, 314860), (78715, 277060), (84770, 257270), (96971, 224900), (98950, 220402), (102908, 211925), (110201, 197900), (112450, 193942), (121100, 180089), (128635, 169540), (138530, 157430)]