315055390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{142559}}^1$

素因数の和:142596

約数の個数: 32

約数和(自身を含む): 646652160

約数和(自身を除く): 331596770

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 142559, 285118, 712795, 1425590, 1853267, 2423503, 3706534, 4847006, 9266335, 12117515, 18532670, 24235030, 31505539, 63011078, 157527695, 315055390]

約数ペア:

[(1, 315055390), (2, 157527695), (5, 63011078), (10, 31505539), (13, 24235030), (17, 18532670), (26, 12117515), (34, 9266335), (65, 4847006), (85, 3706534), (130, 2423503), (170, 1853267), (221, 1425590), (442, 712795), (1105, 285118), (2210, 142559)]