240672025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{79561}}^1$

素因数の和:79593

約数の個数: 18

約数和(自身を含む): 328034126

約数和(自身を除く): 87362101

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 79561, 397805, 875171, 1989025, 4375855, 9626881, 21879275, 48134405, 240672025]

約数ペア:

[(1, 240672025), (5, 48134405), (11, 21879275), (25, 9626881), (55, 4375855), (121, 1989025), (275, 875171), (605, 397805), (3025, 79561)]