312138440

素因数分解:

$2^3\times 5^1\times {\mathrm{7803461}}^1$

素因数の和:7803472

約数の個数: 16

約数和(自身を含む): 702311580

約数和(自身を除く): 390173140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7803461, 15606922, 31213844, 39017305, 62427688, 78034610, 156069220, 312138440]

約数ペア:

[(1, 312138440), (2, 156069220), (4, 78034610), (5, 62427688), (8, 39017305), (10, 31213844), (20, 15606922), (40, 7803461)]