361820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 772800

約数和(自身を除く): 410980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 229, 316, 395, 458, 790, 916, 1145, 1580, 2290, 4580, 18091, 36182, 72364, 90455, 180910, 361820]

約数ペア:

[(1, 361820), (2, 180910), (4, 90455), (5, 72364), (10, 36182), (20, 18091), (79, 4580), (158, 2290), (229, 1580), (316, 1145), (395, 916), (458, 790)]