201600440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{443}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 470568960

約数和(自身を除く): 268968520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 367, 443, 620, 734, 886, 1240, 1468, 1772, 1835, 2215, 2936, 3544, 3670, 4430, 7340, 8860, 11377, 13733, 14680, 17720, 22754, 27466, 45508, 54932, 56885, 68665, 91016, 109864, 113770, 137330, 162581, 227540, 274660, 325162, 455080, 549320, 650324, 812905, 1300648, 1625810, 3251620, 5040011, 6503240, 10080022, 20160044, 25200055, 40320088, 50400110, 100800220, 201600440]

約数ペア:

[(1, 201600440), (2, 100800220), (4, 50400110), (5, 40320088), (8, 25200055), (10, 20160044), (20, 10080022), (31, 6503240), (40, 5040011), (62, 3251620), (124, 1625810), (155, 1300648), (248, 812905), (310, 650324), (367, 549320), (443, 455080), (620, 325162), (734, 274660), (886, 227540), (1240, 162581), (1468, 137330), (1772, 113770), (1835, 109864), (2215, 91016), (2936, 68665), (3544, 56885), (3670, 54932), (4430, 45508), (7340, 27466), (8860, 22754), (11377, 17720), (13733, 14680)]