931613720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{1471}}^1$

素因数の和:1776

約数の個数: 64

約数和(自身を含む): 2136637440

約数和(自身を除く): 1205023720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 223, 284, 355, 446, 568, 710, 892, 1115, 1420, 1471, 1784, 2230, 2840, 2942, 4460, 5884, 7355, 8920, 11768, 14710, 15833, 29420, 31666, 58840, 63332, 79165, 104441, 126664, 158330, 208882, 316660, 328033, 417764, 522205, 633320, 656066, 835528, 1044410, 1312132, 1640165, 2088820, 2624264, 3280330, 4177640, 6560660, 13121320, 23290343, 46580686, 93161372, 116451715, 186322744, 232903430, 465806860, 931613720]

約数ペア:

[(1, 931613720), (2, 465806860), (4, 232903430), (5, 186322744), (8, 116451715), (10, 93161372), (20, 46580686), (40, 23290343), (71, 13121320), (142, 6560660), (223, 4177640), (284, 3280330), (355, 2624264), (446, 2088820), (568, 1640165), (710, 1312132), (892, 1044410), (1115, 835528), (1420, 656066), (1471, 633320), (1784, 522205), (2230, 417764), (2840, 328033), (2942, 316660), (4460, 208882), (5884, 158330), (7355, 126664), (8920, 104441), (11768, 79165), (14710, 63332), (15833, 58840), (29420, 31666)]