209547620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{7687}}^1$

素因数の和:7772

約数の個数: 48

約数和(自身を含む): 464970240

約数和(自身を除く): 255422620

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 940, 1363, 2726, 5452, 6815, 7687, 13630, 15374, 27260, 30748, 38435, 76870, 153740, 222923, 361289, 445846, 722578, 891692, 1114615, 1445156, 1806445, 2229230, 3612890, 4458460, 7225780, 10477381, 20954762, 41909524, 52386905, 104773810, 209547620]

約数ペア:

[(1, 209547620), (2, 104773810), (4, 52386905), (5, 41909524), (10, 20954762), (20, 10477381), (29, 7225780), (47, 4458460), (58, 3612890), (94, 2229230), (116, 1806445), (145, 1445156), (188, 1114615), (235, 891692), (290, 722578), (470, 445846), (580, 361289), (940, 222923), (1363, 153740), (2726, 76870), (5452, 38435), (6815, 30748), (7687, 27260), (13630, 15374)]