331326640

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{11867}}^1$

素因数の和:12229

約数の個数: 40

約数和(自身を含む): 772606800

約数和(自身を除く): 441280160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 11867, 13960, 23734, 27920, 47468, 59335, 94936, 118670, 189872, 237340, 474680, 949360, 4141583, 8283166, 16566332, 20707915, 33132664, 41415830, 66265328, 82831660, 165663320, 331326640]

約数ペア:

[(1, 331326640), (2, 165663320), (4, 82831660), (5, 66265328), (8, 41415830), (10, 33132664), (16, 20707915), (20, 16566332), (40, 8283166), (80, 4141583), (349, 949360), (698, 474680), (1396, 237340), (1745, 189872), (2792, 118670), (3490, 94936), (5584, 59335), (6980, 47468), (11867, 27920), (13960, 23734)]