1898492740

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1\times {\mathrm{1091}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 4022089344

約数和(自身を除く): 2123596604

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 521, 668, 835, 1042, 1091, 1670, 2084, 2182, 2605, 3340, 4364, 5210, 5455, 10420, 10910, 21820, 87007, 174014, 182197, 348028, 364394, 435035, 568411, 728788, 870070, 910985, 1136822, 1740140, 1821970, 2273644, 2842055, 3643940, 5684110, 11368220, 94924637, 189849274, 379698548, 474623185, 949246370, 1898492740]

約数ペア:

[(1, 1898492740), (2, 949246370), (4, 474623185), (5, 379698548), (10, 189849274), (20, 94924637), (167, 11368220), (334, 5684110), (521, 3643940), (668, 2842055), (835, 2273644), (1042, 1821970), (1091, 1740140), (1670, 1136822), (2084, 910985), (2182, 870070), (2605, 728788), (3340, 568411), (4364, 435035), (5210, 364394), (5455, 348028), (10420, 182197), (10910, 174014), (21820, 87007)]