249680920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{2251}}^1$

素因数の和:2368

約数の個数: 64

約数和(自身を含む): 583718400

約数和(自身を除く): 334037480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 59, 94, 118, 188, 235, 236, 295, 376, 470, 472, 590, 940, 1180, 1880, 2251, 2360, 2773, 4502, 5546, 9004, 11092, 11255, 13865, 18008, 22184, 22510, 27730, 45020, 55460, 90040, 105797, 110920, 132809, 211594, 265618, 423188, 528985, 531236, 664045, 846376, 1057970, 1062472, 1328090, 2115940, 2656180, 4231880, 5312360, 6242023, 12484046, 24968092, 31210115, 49936184, 62420230, 124840460, 249680920]

約数ペア:

[(1, 249680920), (2, 124840460), (4, 62420230), (5, 49936184), (8, 31210115), (10, 24968092), (20, 12484046), (40, 6242023), (47, 5312360), (59, 4231880), (94, 2656180), (118, 2115940), (188, 1328090), (235, 1062472), (236, 1057970), (295, 846376), (376, 664045), (470, 531236), (472, 528985), (590, 423188), (940, 265618), (1180, 211594), (1880, 132809), (2251, 110920), (2360, 105797), (2773, 90040), (4502, 55460), (5546, 45020), (9004, 27730), (11092, 22510), (11255, 22184), (13865, 18008)]