253660290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20981}}^1$

素因数の和:21035

約数の個数: 64

約数和(自身を含む): 676795392

約数和(自身を除く): 423135102

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 20981, 41962, 62943, 104905, 125886, 209810, 272753, 314715, 545506, 629430, 650411, 818259, 1300822, 1363765, 1636518, 1951233, 2727530, 3252055, 3902466, 4091295, 6504110, 8182590, 8455343, 9756165, 16910686, 19512330, 25366029, 42276715, 50732058, 84553430, 126830145, 253660290]

約数ペア:

[(1, 253660290), (2, 126830145), (3, 84553430), (5, 50732058), (6, 42276715), (10, 25366029), (13, 19512330), (15, 16910686), (26, 9756165), (30, 8455343), (31, 8182590), (39, 6504110), (62, 4091295), (65, 3902466), (78, 3252055), (93, 2727530), (130, 1951233), (155, 1636518), (186, 1363765), (195, 1300822), (310, 818259), (390, 650411), (403, 629430), (465, 545506), (806, 314715), (930, 272753), (1209, 209810), (2015, 125886), (2418, 104905), (4030, 62943), (6045, 41962), (12090, 20981)]