1277695940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1\times {\mathrm{2203}}^1$

素因数の和:2876

約数の個数: 48

約数和(自身を含む): 2745937152

約数和(自身を除く): 1468241212

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 617, 940, 1234, 2203, 2468, 3085, 4406, 6170, 8812, 11015, 12340, 22030, 28999, 44060, 57998, 103541, 115996, 144995, 207082, 289990, 414164, 517705, 579980, 1035410, 1359251, 2070820, 2718502, 5437004, 6796255, 13592510, 27185020, 63884797, 127769594, 255539188, 319423985, 638847970, 1277695940]

約数ペア:

[(1, 1277695940), (2, 638847970), (4, 319423985), (5, 255539188), (10, 127769594), (20, 63884797), (47, 27185020), (94, 13592510), (188, 6796255), (235, 5437004), (470, 2718502), (617, 2070820), (940, 1359251), (1234, 1035410), (2203, 579980), (2468, 517705), (3085, 414164), (4406, 289990), (6170, 207082), (8812, 144995), (11015, 115996), (12340, 103541), (22030, 57998), (28999, 44060)]