263079020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{2011}}^1$

素因数の和:2262

約数の個数: 48

約数和(自身を含む): 573275136

約数和(自身を除く): 310196116

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 310, 422, 620, 844, 1055, 2011, 2110, 4022, 4220, 6541, 8044, 10055, 13082, 20110, 26164, 32705, 40220, 62341, 65410, 124682, 130820, 249364, 311705, 424321, 623410, 848642, 1246820, 1697284, 2121605, 4243210, 8486420, 13153951, 26307902, 52615804, 65769755, 131539510, 263079020]

約数ペア:

[(1, 263079020), (2, 131539510), (4, 65769755), (5, 52615804), (10, 26307902), (20, 13153951), (31, 8486420), (62, 4243210), (124, 2121605), (155, 1697284), (211, 1246820), (310, 848642), (422, 623410), (620, 424321), (844, 311705), (1055, 249364), (2011, 130820), (2110, 124682), (4022, 65410), (4220, 62341), (6541, 40220), (8044, 32705), (10055, 26164), (13082, 20110)]