126168280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{450601}}^1$

素因数の和:450619

約数の個数: 32

約数和(自身を含む): 324433440

約数和(自身を除く): 198265160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 450601, 901202, 1802404, 2253005, 3154207, 3604808, 4506010, 6308414, 9012020, 12616828, 15771035, 18024040, 25233656, 31542070, 63084140, 126168280]

約数ペア:

[(1, 126168280), (2, 63084140), (4, 31542070), (5, 25233656), (7, 18024040), (8, 15771035), (10, 12616828), (14, 9012020), (20, 6308414), (28, 4506010), (35, 3604808), (40, 3154207), (56, 2253005), (70, 1802404), (140, 901202), (280, 450601)]