2021890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 3983616

約数和(自身を除く): 1961726

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 151, 206, 302, 515, 755, 1030, 1339, 1510, 1963, 2678, 3926, 6695, 9815, 13390, 15553, 19630, 31106, 77765, 155530, 202189, 404378, 1010945, 2021890]

約数ペア:

[(1, 2021890), (2, 1010945), (5, 404378), (10, 202189), (13, 155530), (26, 77765), (65, 31106), (103, 19630), (130, 15553), (151, 13390), (206, 9815), (302, 6695), (515, 3926), (755, 2678), (1030, 1963), (1339, 1510)]