9038980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 19998720

約数和(自身を除く): 10959740

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 239, 244, 305, 310, 478, 610, 620, 956, 1195, 1220, 1891, 2390, 3782, 4780, 7409, 7564, 9455, 14579, 14818, 18910, 29158, 29636, 37045, 37820, 58316, 72895, 74090, 145790, 148180, 291580, 451949, 903898, 1807796, 2259745, 4519490, 9038980]

約数ペア:

[(1, 9038980), (2, 4519490), (4, 2259745), (5, 1807796), (10, 903898), (20, 451949), (31, 291580), (61, 148180), (62, 145790), (122, 74090), (124, 72895), (155, 58316), (239, 37820), (244, 37045), (305, 29636), (310, 29158), (478, 18910), (610, 14818), (620, 14579), (956, 9455), (1195, 7564), (1220, 7409), (1891, 4780), (2390, 3782)]