289008070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 574801920

約数和(自身を除く): 285793850

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 107, 130, 158, 214, 263, 395, 526, 535, 790, 1027, 1070, 1315, 1391, 2054, 2630, 2782, 3419, 5135, 6838, 6955, 8453, 10270, 13910, 16906, 17095, 20777, 28141, 34190, 41554, 42265, 56282, 84530, 103885, 109889, 140705, 207770, 219778, 270101, 281410, 365833, 540202, 549445, 731666, 1098890, 1350505, 1829165, 2223139, 2701010, 3658330, 4446278, 11115695, 22231390, 28900807, 57801614, 144504035, 289008070]

約数ペア:

[(1, 289008070), (2, 144504035), (5, 57801614), (10, 28900807), (13, 22231390), (26, 11115695), (65, 4446278), (79, 3658330), (107, 2701010), (130, 2223139), (158, 1829165), (214, 1350505), (263, 1098890), (395, 731666), (526, 549445), (535, 540202), (790, 365833), (1027, 281410), (1070, 270101), (1315, 219778), (1391, 207770), (2054, 140705), (2630, 109889), (2782, 103885), (3419, 84530), (5135, 56282), (6838, 42265), (6955, 41554), (8453, 34190), (10270, 28141), (13910, 20777), (16906, 17095)]