129376225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2302

約数の個数: 36

約数和(自身を含む): 185699920

約数和(自身を除く): 56323695

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 209, 275, 475, 605, 1045, 2251, 2299, 3025, 5225, 11255, 11495, 24761, 42769, 56275, 57475, 123805, 213845, 272371, 470459, 619025, 1069225, 1361855, 2352295, 5175049, 6809275, 11761475, 25875245, 129376225]

約数ペア:

[(1, 129376225), (5, 25875245), (11, 11761475), (19, 6809275), (25, 5175049), (55, 2352295), (95, 1361855), (121, 1069225), (209, 619025), (275, 470459), (475, 272371), (605, 213845), (1045, 123805), (2251, 57475), (2299, 56275), (3025, 42769), (5225, 24761), (11255, 11495)]