409840325

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:362

約数の個数: 36

約数和(自身を含む): 534295788

約数和(自身を除く): 124455463

約数列:

[1, 5, 25, 29, 101, 145, 193, 505, 725, 841, 965, 2525, 2929, 4205, 4825, 5597, 14645, 19493, 21025, 27985, 73225, 84941, 97465, 139925, 162313, 424705, 487325, 565297, 811565, 2123525, 2826485, 4057825, 14132425, 16393613, 81968065, 409840325]

約数ペア:

[(1, 409840325), (5, 81968065), (25, 16393613), (29, 14132425), (101, 4057825), (145, 2826485), (193, 2123525), (505, 811565), (725, 565297), (841, 487325), (965, 424705), (2525, 162313), (2929, 139925), (4205, 97465), (4825, 84941), (5597, 73225), (14645, 27985), (19493, 21025)]