3990010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 7570944

約数和(自身を除く): 3580934

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 211, 305, 310, 422, 610, 1055, 1891, 2110, 3782, 6541, 9455, 12871, 13082, 18910, 25742, 32705, 64355, 65410, 128710, 399001, 798002, 1995005, 3990010]

約数ペア:

[(1, 3990010), (2, 1995005), (5, 798002), (10, 399001), (31, 128710), (61, 65410), (62, 64355), (122, 32705), (155, 25742), (211, 18910), (305, 13082), (310, 12871), (422, 9455), (610, 6541), (1055, 3782), (1891, 2110)]