311916020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1199677}}^1$

素因数の和:1199699

約数の個数: 24

約数和(自身を含む): 705410664

約数和(自身を除く): 393494644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1199677, 2399354, 4798708, 5998385, 11996770, 15595801, 23993540, 31191602, 62383204, 77979005, 155958010, 311916020]

約数ペア:

[(1, 311916020), (2, 155958010), (4, 77979005), (5, 62383204), (10, 31191602), (13, 23993540), (20, 15595801), (26, 11996770), (52, 5998385), (65, 4798708), (130, 2399354), (260, 1199677)]