207965980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{335429}}^1$

素因数の和:335469

約数の個数: 24

約数和(自身を含む): 450817920

約数和(自身を除く): 242851940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 335429, 670858, 1341716, 1677145, 3354290, 6708580, 10398299, 20796598, 41593196, 51991495, 103982990, 207965980]

約数ペア:

[(1, 207965980), (2, 103982990), (4, 51991495), (5, 41593196), (10, 20796598), (20, 10398299), (31, 6708580), (62, 3354290), (124, 1677145), (155, 1341716), (310, 670858), (620, 335429)]