254787760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1447}}^1$

素因数の和:1562

約数の個数: 80

約数和(自身を含む): 620531712

約数和(自身を除く): 365743952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 496, 568, 620, 710, 1136, 1240, 1420, 1447, 2201, 2480, 2840, 2894, 4402, 5680, 5788, 7235, 8804, 11005, 11576, 14470, 17608, 22010, 23152, 28940, 35216, 44020, 44857, 57880, 88040, 89714, 102737, 115760, 176080, 179428, 205474, 224285, 358856, 410948, 448570, 513685, 717712, 821896, 897140, 1027370, 1643792, 1794280, 2054740, 3184847, 3588560, 4109480, 6369694, 8218960, 12739388, 15924235, 25478776, 31848470, 50957552, 63696940, 127393880, 254787760]

約数ペア:

[(1, 254787760), (2, 127393880), (4, 63696940), (5, 50957552), (8, 31848470), (10, 25478776), (16, 15924235), (20, 12739388), (31, 8218960), (40, 6369694), (62, 4109480), (71, 3588560), (80, 3184847), (124, 2054740), (142, 1794280), (155, 1643792), (248, 1027370), (284, 897140), (310, 821896), (355, 717712), (496, 513685), (568, 448570), (620, 410948), (710, 358856), (1136, 224285), (1240, 205474), (1420, 179428), (1447, 176080), (2201, 115760), (2480, 102737), (2840, 89714), (2894, 88040), (4402, 57880), (5680, 44857), (5788, 44020), (7235, 35216), (8804, 28940), (11005, 23152), (11576, 22010), (14470, 17608)]