28426420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{823}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 65616768

約数和(自身を除く): 37190348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 823, 1570, 1646, 1727, 3140, 3292, 3454, 4115, 6908, 8230, 8635, 9053, 16460, 17270, 18106, 34540, 36212, 45265, 90530, 129211, 181060, 258422, 516844, 646055, 1292110, 1421321, 2584220, 2842642, 5685284, 7106605, 14213210, 28426420]

約数ペア:

[(1, 28426420), (2, 14213210), (4, 7106605), (5, 5685284), (10, 2842642), (11, 2584220), (20, 1421321), (22, 1292110), (44, 646055), (55, 516844), (110, 258422), (157, 181060), (220, 129211), (314, 90530), (628, 45265), (785, 36212), (823, 34540), (1570, 18106), (1646, 17270), (1727, 16460), (3140, 9053), (3292, 8635), (3454, 8230), (4115, 6908)]