900410005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{18839}}^1$

素因数の和:18945

約数の個数: 24

約数和(自身を含む): 1202745600

約数和(自身を除く): 302335595

約数列:

[1, 5, 11, 55, 79, 121, 395, 605, 869, 4345, 9559, 18839, 47795, 94195, 207229, 1036145, 1488281, 2279519, 7441405, 11397595, 16371091, 81855455, 180082001, 900410005]

約数ペア:

[(1, 900410005), (5, 180082001), (11, 81855455), (55, 16371091), (79, 11397595), (121, 7441405), (395, 2279519), (605, 1488281), (869, 1036145), (4345, 207229), (9559, 94195), (18839, 47795)]