317850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 854112

約数和(自身を除く): 536262

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 163, 195, 325, 326, 390, 489, 650, 815, 975, 978, 1630, 1950, 2119, 2445, 4075, 4238, 4890, 6357, 8150, 10595, 12225, 12714, 21190, 24450, 31785, 52975, 63570, 105950, 158925, 317850]

約数ペア:

[(1, 317850), (2, 158925), (3, 105950), (5, 63570), (6, 52975), (10, 31785), (13, 24450), (15, 21190), (25, 12714), (26, 12225), (30, 10595), (39, 8150), (50, 6357), (65, 4890), (75, 4238), (78, 4075), (130, 2445), (150, 2119), (163, 1950), (195, 1630), (325, 978), (326, 975), (390, 815), (489, 650)]