31426340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{677}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 72442944

約数和(自身を除く): 41016604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 677, 844, 1055, 1354, 2110, 2321, 2708, 3385, 4220, 4642, 6770, 7447, 9284, 11605, 13540, 14894, 23210, 29788, 37235, 46420, 74470, 142847, 148940, 285694, 571388, 714235, 1428470, 1571317, 2856940, 3142634, 6285268, 7856585, 15713170, 31426340]

約数ペア:

[(1, 31426340), (2, 15713170), (4, 7856585), (5, 6285268), (10, 3142634), (11, 2856940), (20, 1571317), (22, 1428470), (44, 714235), (55, 571388), (110, 285694), (211, 148940), (220, 142847), (422, 74470), (677, 46420), (844, 37235), (1055, 29788), (1354, 23210), (2110, 14894), (2321, 13540), (2708, 11605), (3385, 9284), (4220, 7447), (4642, 6770)]