740291240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1423637}}^1$

素因数の和:1423661

約数の個数: 32

約数和(自身を含む): 1793783880

約数和(自身を除く): 1053492640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1423637, 2847274, 5694548, 7118185, 11389096, 14236370, 18507281, 28472740, 37014562, 56945480, 74029124, 92536405, 148058248, 185072810, 370145620, 740291240]

約数ペア:

[(1, 740291240), (2, 370145620), (4, 185072810), (5, 148058248), (8, 92536405), (10, 74029124), (13, 56945480), (20, 37014562), (26, 28472740), (40, 18507281), (52, 14236370), (65, 11389096), (104, 7118185), (130, 5694548), (260, 2847274), (520, 1423637)]