2939390825

素因数分解:

$5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 4227515136

約数和(自身を除く): 1288124311

約数列:

[1, 5, 7, 25, 35, 103, 175, 313, 515, 521, 721, 1565, 2191, 2575, 2605, 3605, 3647, 7825, 10955, 13025, 18025, 18235, 32239, 53663, 54775, 91175, 161195, 163073, 225673, 268315, 375641, 805975, 815365, 1128365, 1141511, 1341575, 1878205, 4076825, 5641825, 5707555, 9391025, 16796519, 28537775, 83982595, 117575633, 419912975, 587878165, 2939390825]

約数ペア:

[(1, 2939390825), (5, 587878165), (7, 419912975), (25, 117575633), (35, 83982595), (103, 28537775), (175, 16796519), (313, 9391025), (515, 5707555), (521, 5641825), (721, 4076825), (1565, 1878205), (2191, 1341575), (2575, 1141511), (2605, 1128365), (3605, 815365), (3647, 805975), (7825, 375641), (10955, 268315), (13025, 225673), (18025, 163073), (18235, 161195), (32239, 91175), (53663, 54775)]