724702970

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{3407}}^1$

素因数の和:3742

約数の個数: 32

約数和(自身を含む): 1325030400

約数和(自身を除く): 600327430

約数列:

[1, 2, 5, 10, 89, 178, 239, 445, 478, 890, 1195, 2390, 3407, 6814, 17035, 21271, 34070, 42542, 106355, 212710, 303223, 606446, 814273, 1516115, 1628546, 3032230, 4071365, 8142730, 72470297, 144940594, 362351485, 724702970]

約数ペア:

[(1, 724702970), (2, 362351485), (5, 144940594), (10, 72470297), (89, 8142730), (178, 4071365), (239, 3032230), (445, 1628546), (478, 1516115), (890, 814273), (1195, 606446), (2390, 303223), (3407, 212710), (6814, 106355), (17035, 42542), (21271, 34070)]