220235960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{7351}}^1$

素因数の和:7476

約数の個数: 64

約数和(自身を含む): 571691520

約数和(自身を除く): 351455560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1498, 2140, 2996, 3745, 4280, 5992, 7351, 7490, 14702, 14980, 29404, 29960, 36755, 51457, 58808, 73510, 102914, 147020, 205828, 257285, 294040, 411656, 514570, 786557, 1029140, 1573114, 2058280, 3146228, 3932785, 5505899, 6292456, 7865570, 11011798, 15731140, 22023596, 27529495, 31462280, 44047192, 55058990, 110117980, 220235960]

約数ペア:

[(1, 220235960), (2, 110117980), (4, 55058990), (5, 44047192), (7, 31462280), (8, 27529495), (10, 22023596), (14, 15731140), (20, 11011798), (28, 7865570), (35, 6292456), (40, 5505899), (56, 3932785), (70, 3146228), (107, 2058280), (140, 1573114), (214, 1029140), (280, 786557), (428, 514570), (535, 411656), (749, 294040), (856, 257285), (1070, 205828), (1498, 147020), (2140, 102914), (2996, 73510), (3745, 58808), (4280, 51457), (5992, 36755), (7351, 29960), (7490, 29404), (14702, 14980)]