1240372220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{395023}}^1$

素因数の和:395189

約数の個数: 24

約数和(自身を含む): 2621379264

約数和(自身を除く): 1381007044

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 395023, 790046, 1580092, 1975115, 3950230, 7900460, 62018611, 124037222, 248074444, 310093055, 620186110, 1240372220]

約数ペア:

[(1, 1240372220), (2, 620186110), (4, 310093055), (5, 248074444), (10, 124037222), (20, 62018611), (157, 7900460), (314, 3950230), (628, 1975115), (785, 1580092), (1570, 790046), (3140, 395023)]