248909960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{36821}}^1$

素因数の和:36858

約数の個数: 48

約数和(自身を含む): 606458340

約数和(自身を除く): 357548380

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 36821, 73642, 147284, 184105, 294568, 368210, 478673, 736420, 957346, 1472840, 1914692, 2393365, 3829384, 4786730, 6222749, 9573460, 12445498, 19146920, 24890996, 31113745, 49781992, 62227490, 124454980, 248909960]

約数ペア:

[(1, 248909960), (2, 124454980), (4, 62227490), (5, 49781992), (8, 31113745), (10, 24890996), (13, 19146920), (20, 12445498), (26, 9573460), (40, 6222749), (52, 4786730), (65, 3829384), (104, 2393365), (130, 1914692), (169, 1472840), (260, 957346), (338, 736420), (520, 478673), (676, 368210), (845, 294568), (1352, 184105), (1690, 147284), (3380, 73642), (6760, 36821)]