30139240

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3571}}^1$

素因数の和:3793

約数の個数: 32

約数和(自身を含む): 68153760

約数和(自身を除く): 38014520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3571, 4220, 7142, 8440, 14284, 17855, 28568, 35710, 71420, 142840, 753481, 1506962, 3013924, 3767405, 6027848, 7534810, 15069620, 30139240]

約数ペア:

[(1, 30139240), (2, 15069620), (4, 7534810), (5, 6027848), (8, 3767405), (10, 3013924), (20, 1506962), (40, 753481), (211, 142840), (422, 71420), (844, 35710), (1055, 28568), (1688, 17855), (2110, 14284), (3571, 8440), (4220, 7142)]