891657680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{237143}}^1$

素因数の和:237203

約数の個数: 40

約数和(自身を含む): 2117221632

約数和(自身を除く): 1225563952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 237143, 474286, 948572, 1185715, 1897144, 2371430, 3794288, 4742860, 9485720, 11145721, 18971440, 22291442, 44582884, 55728605, 89165768, 111457210, 178331536, 222914420, 445828840, 891657680]

約数ペア:

[(1, 891657680), (2, 445828840), (4, 222914420), (5, 178331536), (8, 111457210), (10, 89165768), (16, 55728605), (20, 44582884), (40, 22291442), (47, 18971440), (80, 11145721), (94, 9485720), (188, 4742860), (235, 3794288), (376, 2371430), (470, 1897144), (752, 1185715), (940, 948572), (1880, 474286), (3760, 237143)]