2018519350

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{7789}}^1$

素因数の和:7945

約数の個数: 48

約数和(自身を含む): 3859976160

約数和(自身を除く): 1841456810

約数列:

[1, 2, 5, 10, 25, 50, 71, 73, 142, 146, 355, 365, 710, 730, 1775, 1825, 3550, 3650, 5183, 7789, 10366, 15578, 25915, 38945, 51830, 77890, 129575, 194725, 259150, 389450, 553019, 568597, 1106038, 1137194, 2765095, 2842985, 5530190, 5685970, 13825475, 14214925, 27650950, 28429850, 40370387, 80740774, 201851935, 403703870, 1009259675, 2018519350]

約数ペア:

[(1, 2018519350), (2, 1009259675), (5, 403703870), (10, 201851935), (25, 80740774), (50, 40370387), (71, 28429850), (73, 27650950), (142, 14214925), (146, 13825475), (355, 5685970), (365, 5530190), (710, 2842985), (730, 2765095), (1775, 1137194), (1825, 1106038), (3550, 568597), (3650, 553019), (5183, 389450), (7789, 259150), (10366, 194725), (15578, 129575), (25915, 77890), (38945, 51830)]