163944220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{745201}}^1$

素因数の和:745221

約数の個数: 24

約数和(自身を含む): 375581808

約数和(自身を除く): 211637588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 745201, 1490402, 2980804, 3726005, 7452010, 8197211, 14904020, 16394422, 32788844, 40986055, 81972110, 163944220]

約数ペア:

[(1, 163944220), (2, 81972110), (4, 40986055), (5, 32788844), (10, 16394422), (11, 14904020), (20, 8197211), (22, 7452010), (44, 3726005), (55, 2980804), (110, 1490402), (220, 745201)]