1900515860

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1\times {\mathrm{863}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 4027968000

約数和(自身を除く): 2127452140

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 739, 745, 863, 1478, 1490, 1726, 2956, 2980, 3452, 3695, 4315, 7390, 8630, 14780, 17260, 110111, 128587, 220222, 257174, 440444, 514348, 550555, 637757, 642935, 1101110, 1275514, 1285870, 2202220, 2551028, 2571740, 3188785, 6377570, 12755140, 95025793, 190051586, 380103172, 475128965, 950257930, 1900515860]

約数ペア:

[(1, 1900515860), (2, 950257930), (4, 475128965), (5, 380103172), (10, 190051586), (20, 95025793), (149, 12755140), (298, 6377570), (596, 3188785), (739, 2571740), (745, 2551028), (863, 2202220), (1478, 1285870), (1490, 1275514), (1726, 1101110), (2956, 642935), (2980, 637757), (3452, 550555), (3695, 514348), (4315, 440444), (7390, 257174), (8630, 220222), (14780, 128587), (17260, 110111)]