494260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 1118376

約数和(自身を除く): 624116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1901, 3802, 7604, 9505, 19010, 24713, 38020, 49426, 98852, 123565, 247130, 494260]

約数ペア:

[(1, 494260), (2, 247130), (4, 123565), (5, 98852), (10, 49426), (13, 38020), (20, 24713), (26, 19010), (52, 9505), (65, 7604), (130, 3802), (260, 1901)]