22438900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{20399}}^1$

素因数の和:20424

約数の個数: 36

約数和(自身を含む): 53121600

約数和(自身を除く): 30682700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 20399, 40798, 81596, 101995, 203990, 224389, 407980, 448778, 509975, 897556, 1019950, 1121945, 2039900, 2243890, 4487780, 5609725, 11219450, 22438900]

約数ペア:

[(1, 22438900), (2, 11219450), (4, 5609725), (5, 4487780), (10, 2243890), (11, 2039900), (20, 1121945), (22, 1019950), (25, 897556), (44, 509975), (50, 448778), (55, 407980), (100, 224389), (110, 203990), (220, 101995), (275, 81596), (550, 40798), (1100, 20399)]