217361840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{57809}}^1$

素因数の和:57869

約数の個数: 40

約数和(自身を含む): 516127680

約数和(自身を除く): 298765840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 57809, 115618, 231236, 289045, 462472, 578090, 924944, 1156180, 2312360, 2717023, 4624720, 5434046, 10868092, 13585115, 21736184, 27170230, 43472368, 54340460, 108680920, 217361840]

約数ペア:

[(1, 217361840), (2, 108680920), (4, 54340460), (5, 43472368), (8, 27170230), (10, 21736184), (16, 13585115), (20, 10868092), (40, 5434046), (47, 4624720), (80, 2717023), (94, 2312360), (188, 1156180), (235, 924944), (376, 578090), (470, 462472), (752, 289045), (940, 231236), (1880, 115618), (3760, 57809)]