439917260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{1471}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 974346240

約数和(自身を除く): 534428980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 787, 1471, 1574, 2942, 3148, 3935, 5884, 7355, 7870, 14710, 14953, 15740, 27949, 29420, 29906, 55898, 59812, 74765, 111796, 139745, 149530, 279490, 299060, 558980, 1157677, 2315354, 4630708, 5788385, 11576770, 21995863, 23153540, 43991726, 87983452, 109979315, 219958630, 439917260]

約数ペア:

[(1, 439917260), (2, 219958630), (4, 109979315), (5, 87983452), (10, 43991726), (19, 23153540), (20, 21995863), (38, 11576770), (76, 5788385), (95, 4630708), (190, 2315354), (380, 1157677), (787, 558980), (1471, 299060), (1574, 279490), (2942, 149530), (3148, 139745), (3935, 111796), (5884, 74765), (7355, 59812), (7870, 55898), (14710, 29906), (14953, 29420), (15740, 27949)]