289346980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{14087}}^1$

素因数の和:14188

約数の個数: 48

約数和(自身を含む): 662699520

約数和(自身を除く): 373352540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 14087, 20540, 28174, 56348, 70435, 140870, 183131, 281740, 366262, 732524, 915655, 1112873, 1831310, 2225746, 3662620, 4451492, 5564365, 11128730, 14467349, 22257460, 28934698, 57869396, 72336745, 144673490, 289346980]

約数ペア:

[(1, 289346980), (2, 144673490), (4, 72336745), (5, 57869396), (10, 28934698), (13, 22257460), (20, 14467349), (26, 11128730), (52, 5564365), (65, 4451492), (79, 3662620), (130, 2225746), (158, 1831310), (260, 1112873), (316, 915655), (395, 732524), (790, 366262), (1027, 281740), (1580, 183131), (2054, 140870), (4108, 70435), (5135, 56348), (10270, 28174), (14087, 20540)]