290606960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{751}}^1$

素因数の和:1462

約数の個数: 80

約数和(自身を含む): 774331392

約数和(自身を除く): 483724432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 691, 751, 1382, 1502, 2764, 3004, 3455, 3755, 4837, 5257, 5528, 6008, 6910, 7510, 9674, 10514, 11056, 12016, 13820, 15020, 19348, 21028, 24185, 26285, 27640, 30040, 38696, 42056, 48370, 52570, 55280, 60080, 77392, 84112, 96740, 105140, 193480, 210280, 386960, 420560, 518941, 1037882, 2075764, 2594705, 3632587, 4151528, 5189410, 7265174, 8303056, 10378820, 14530348, 18162935, 20757640, 29060696, 36325870, 41515280, 58121392, 72651740, 145303480, 290606960]

約数ペア:

[(1, 290606960), (2, 145303480), (4, 72651740), (5, 58121392), (7, 41515280), (8, 36325870), (10, 29060696), (14, 20757640), (16, 18162935), (20, 14530348), (28, 10378820), (35, 8303056), (40, 7265174), (56, 5189410), (70, 4151528), (80, 3632587), (112, 2594705), (140, 2075764), (280, 1037882), (560, 518941), (691, 420560), (751, 386960), (1382, 210280), (1502, 193480), (2764, 105140), (3004, 96740), (3455, 84112), (3755, 77392), (4837, 60080), (5257, 55280), (5528, 52570), (6008, 48370), (6910, 42056), (7510, 38696), (9674, 30040), (10514, 27640), (11056, 26285), (12016, 24185), (13820, 21028), (15020, 19348)]