463840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 1185408

約数和(自身を除く): 721568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 223, 260, 416, 446, 520, 892, 1040, 1115, 1784, 2080, 2230, 2899, 3568, 4460, 5798, 7136, 8920, 11596, 14495, 17840, 23192, 28990, 35680, 46384, 57980, 92768, 115960, 231920, 463840]

約数ペア:

[(1, 463840), (2, 231920), (4, 115960), (5, 92768), (8, 57980), (10, 46384), (13, 35680), (16, 28990), (20, 23192), (26, 17840), (32, 14495), (40, 11596), (52, 8920), (65, 7136), (80, 5798), (104, 4460), (130, 3568), (160, 2899), (208, 2230), (223, 2080), (260, 1784), (416, 1115), (446, 1040), (520, 892)]