4907820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 13855968

約数和(自身を除く): 8948148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 521, 628, 785, 942, 1042, 1563, 1570, 1884, 2084, 2355, 2605, 3126, 3140, 4710, 5210, 6252, 7815, 9420, 10420, 15630, 31260, 81797, 163594, 245391, 327188, 408985, 490782, 817970, 981564, 1226955, 1635940, 2453910, 4907820]

約数ペア:

[(1, 4907820), (2, 2453910), (3, 1635940), (4, 1226955), (5, 981564), (6, 817970), (10, 490782), (12, 408985), (15, 327188), (20, 245391), (30, 163594), (60, 81797), (157, 31260), (314, 15630), (471, 10420), (521, 9420), (628, 7815), (785, 6252), (942, 5210), (1042, 4710), (1563, 3140), (1570, 3126), (1884, 2605), (2084, 2355)]