491010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1259}}^1$

素因数の和:1282

約数の個数: 32

約数和(自身を含む): 1270080

約数和(自身を除く): 779070

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1259, 2518, 3777, 6295, 7554, 12590, 16367, 18885, 32734, 37770, 49101, 81835, 98202, 163670, 245505, 491010]

約数ペア:

[(1, 491010), (2, 245505), (3, 163670), (5, 98202), (6, 81835), (10, 49101), (13, 37770), (15, 32734), (26, 18885), (30, 16367), (39, 12590), (65, 7554), (78, 6295), (130, 3777), (195, 2518), (390, 1259)]