2515940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17971}}^1$

素因数の和:17987

約数の個数: 24

約数和(自身を含む): 6038592

約数和(自身を除く): 3522652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 17971, 35942, 71884, 89855, 125797, 179710, 251594, 359420, 503188, 628985, 1257970, 2515940]

約数ペア:

[(1, 2515940), (2, 1257970), (4, 628985), (5, 503188), (7, 359420), (10, 251594), (14, 179710), (20, 125797), (28, 89855), (35, 71884), (70, 35942), (140, 17971)]