278041010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{49739}}^1$

素因数の和:49802

約数の個数: 32

約数和(自身を含む): 551517120

約数和(自身を除く): 273476110

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 49739, 99478, 248695, 497390, 646607, 1293214, 2138777, 3233035, 4277554, 6466070, 10693885, 21387770, 27804101, 55608202, 139020505, 278041010]

約数ペア:

[(1, 278041010), (2, 139020505), (5, 55608202), (10, 27804101), (13, 21387770), (26, 10693885), (43, 6466070), (65, 4277554), (86, 3233035), (130, 2138777), (215, 1293214), (430, 646607), (559, 497390), (1118, 248695), (2795, 99478), (5590, 49739)]