137746280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{491951}}^1$

素因数の和:491969

約数の個数: 32

約数和(自身を含む): 354205440

約数和(自身を除く): 216459160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 491951, 983902, 1967804, 2459755, 3443657, 3935608, 4919510, 6887314, 9839020, 13774628, 17218285, 19678040, 27549256, 34436570, 68873140, 137746280]

約数ペア:

[(1, 137746280), (2, 68873140), (4, 34436570), (5, 27549256), (7, 19678040), (8, 17218285), (10, 13774628), (14, 9839020), (20, 6887314), (28, 4919510), (35, 3935608), (40, 3443657), (56, 2459755), (70, 1967804), (140, 983902), (280, 491951)]