68702140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1901}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 156572640

約数和(自身を除く): 87870500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 1901, 2780, 3614, 3802, 7228, 7604, 9035, 9505, 18070, 19010, 24713, 36140, 38020, 49426, 98852, 123565, 247130, 264239, 494260, 528478, 1056956, 1321195, 2642390, 3435107, 5284780, 6870214, 13740428, 17175535, 34351070, 68702140]

約数ペア:

[(1, 68702140), (2, 34351070), (4, 17175535), (5, 13740428), (10, 6870214), (13, 5284780), (20, 3435107), (26, 2642390), (52, 1321195), (65, 1056956), (130, 528478), (139, 494260), (260, 264239), (278, 247130), (556, 123565), (695, 98852), (1390, 49426), (1807, 38020), (1901, 36140), (2780, 24713), (3614, 19010), (3802, 18070), (7228, 9505), (7604, 9035)]