278312060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1070431}}^1$

素因数の和:1070453

約数の個数: 24

約数和(自身を含む): 629414016

約数和(自身を除く): 351101956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1070431, 2140862, 4281724, 5352155, 10704310, 13915603, 21408620, 27831206, 55662412, 69578015, 139156030, 278312060]

約数ペア:

[(1, 278312060), (2, 139156030), (4, 69578015), (5, 55662412), (10, 27831206), (13, 21408620), (20, 13915603), (26, 10704310), (52, 5352155), (65, 4281724), (130, 2140862), (260, 1070431)]