131080460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15349}}^1$

素因数の和:15426

約数の個数: 48

約数和(自身を含む): 319771200

約数和(自身を除く): 188690740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 15349, 30698, 61396, 76745, 107443, 153490, 214886, 306980, 429772, 537215, 936289, 1074430, 1872578, 2148860, 3745156, 4681445, 6554023, 9362890, 13108046, 18725780, 26216092, 32770115, 65540230, 131080460]

約数ペア:

[(1, 131080460), (2, 65540230), (4, 32770115), (5, 26216092), (7, 18725780), (10, 13108046), (14, 9362890), (20, 6554023), (28, 4681445), (35, 3745156), (61, 2148860), (70, 1872578), (122, 1074430), (140, 936289), (244, 537215), (305, 429772), (427, 306980), (610, 214886), (854, 153490), (1220, 107443), (1708, 76745), (2135, 61396), (4270, 30698), (8540, 15349)]