888931960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{5639}}^1$

素因数の和:6220

約数の個数: 64

約数和(自身を含む): 2290291200

約数和(自身を除く): 1401359240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 563, 1126, 2252, 2815, 3941, 4504, 5630, 5639, 7882, 11260, 11278, 15764, 19705, 22520, 22556, 28195, 31528, 39410, 39473, 45112, 56390, 78820, 78946, 112780, 157640, 157892, 197365, 225560, 315784, 394730, 789460, 1578920, 3174757, 6349514, 12699028, 15873785, 22223299, 25398056, 31747570, 44446598, 63495140, 88893196, 111116495, 126990280, 177786392, 222232990, 444465980, 888931960]

約数ペア:

[(1, 888931960), (2, 444465980), (4, 222232990), (5, 177786392), (7, 126990280), (8, 111116495), (10, 88893196), (14, 63495140), (20, 44446598), (28, 31747570), (35, 25398056), (40, 22223299), (56, 15873785), (70, 12699028), (140, 6349514), (280, 3174757), (563, 1578920), (1126, 789460), (2252, 394730), (2815, 315784), (3941, 225560), (4504, 197365), (5630, 157892), (5639, 157640), (7882, 112780), (11260, 78946), (11278, 78820), (15764, 56390), (19705, 45112), (22520, 39473), (22556, 39410), (28195, 31528)]