397757080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1420561}}^1$

素因数の和:1420579

約数の個数: 32

約数和(自身を含む): 1022804640

約数和(自身を除く): 625047560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1420561, 2841122, 5682244, 7102805, 9943927, 11364488, 14205610, 19887854, 28411220, 39775708, 49719635, 56822440, 79551416, 99439270, 198878540, 397757080]

約数ペア:

[(1, 397757080), (2, 198878540), (4, 99439270), (5, 79551416), (7, 56822440), (8, 49719635), (10, 39775708), (14, 28411220), (20, 19887854), (28, 14205610), (35, 11364488), (40, 9943927), (56, 7102805), (70, 5682244), (140, 2841122), (280, 1420561)]