71115940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{507971}}^1$

素因数の和:507987

約数の個数: 24

約数和(自身を含む): 170678592

約数和(自身を除く): 99562652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 507971, 1015942, 2031884, 2539855, 3555797, 5079710, 7111594, 10159420, 14223188, 17778985, 35557970, 71115940]

約数ペア:

[(1, 71115940), (2, 35557970), (4, 17778985), (5, 14223188), (7, 10159420), (10, 7111594), (14, 5079710), (20, 3555797), (28, 2539855), (35, 2031884), (70, 1015942), (140, 507971)]