71261870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 139124736

約数和(自身を除く): 67862866

約数列:

[1, 2, 5, 10, 31, 47, 62, 67, 73, 94, 134, 146, 155, 235, 310, 335, 365, 470, 670, 730, 1457, 2077, 2263, 2914, 3149, 3431, 4154, 4526, 4891, 6298, 6862, 7285, 9782, 10385, 11315, 14570, 15745, 17155, 20770, 22630, 24455, 31490, 34310, 48910, 97619, 106361, 151621, 195238, 212722, 229877, 303242, 459754, 488095, 531805, 758105, 976190, 1063610, 1149385, 1516210, 2298770, 7126187, 14252374, 35630935, 71261870]

約数ペア:

[(1, 71261870), (2, 35630935), (5, 14252374), (10, 7126187), (31, 2298770), (47, 1516210), (62, 1149385), (67, 1063610), (73, 976190), (94, 758105), (134, 531805), (146, 488095), (155, 459754), (235, 303242), (310, 229877), (335, 212722), (365, 195238), (470, 151621), (670, 106361), (730, 97619), (1457, 48910), (2077, 34310), (2263, 31490), (2914, 24455), (3149, 22630), (3431, 20770), (4154, 17155), (4526, 15745), (4891, 14570), (6298, 11315), (6862, 10385), (7285, 9782)]