278313100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{214087}}^1$

素因数の和:214114

約数の個数: 36

約数和(自身を含む): 650399344

約数和(自身を除く): 372086244

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 214087, 428174, 856348, 1070435, 2140870, 2783131, 4281740, 5352175, 5566262, 10704350, 11132524, 13915655, 21408700, 27831310, 55662620, 69578275, 139156550, 278313100]

約数ペア:

[(1, 278313100), (2, 139156550), (4, 69578275), (5, 55662620), (10, 27831310), (13, 21408700), (20, 13915655), (25, 11132524), (26, 10704350), (50, 5566262), (52, 5352175), (65, 4281740), (100, 2783131), (130, 2140870), (260, 1070435), (325, 856348), (650, 428174), (1300, 214087)]