139921120

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 341288640

約数和(自身を除く): 201367520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 109, 113, 142, 160, 218, 226, 284, 355, 436, 452, 545, 565, 568, 710, 872, 904, 1090, 1130, 1136, 1420, 1744, 1808, 2180, 2260, 2272, 2840, 3488, 3616, 4360, 4520, 5680, 7739, 8023, 8720, 9040, 11360, 12317, 15478, 16046, 17440, 18080, 24634, 30956, 32092, 38695, 40115, 49268, 61585, 61912, 64184, 77390, 80230, 98536, 123170, 123824, 128368, 154780, 160460, 197072, 246340, 247648, 256736, 309560, 320920, 394144, 492680, 619120, 641840, 874507, 985360, 1238240, 1283680, 1749014, 1970720, 3498028, 4372535, 6996056, 8745070, 13992112, 17490140, 27984224, 34980280, 69960560, 139921120]

約数ペア:

[(1, 139921120), (2, 69960560), (4, 34980280), (5, 27984224), (8, 17490140), (10, 13992112), (16, 8745070), (20, 6996056), (32, 4372535), (40, 3498028), (71, 1970720), (80, 1749014), (109, 1283680), (113, 1238240), (142, 985360), (160, 874507), (218, 641840), (226, 619120), (284, 492680), (355, 394144), (436, 320920), (452, 309560), (545, 256736), (565, 247648), (568, 246340), (710, 197072), (872, 160460), (904, 154780), (1090, 128368), (1130, 123824), (1136, 123170), (1420, 98536), (1744, 80230), (1808, 77390), (2180, 64184), (2260, 61912), (2272, 61585), (2840, 49268), (3488, 40115), (3616, 38695), (4360, 32092), (4520, 30956), (5680, 24634), (7739, 18080), (8023, 17440), (8720, 16046), (9040, 15478), (11360, 12317)]