397258540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{22343}}^1$

素因数の和:22486

約数の個数: 48

約数和(自身を含む): 960970752

約数和(自身を除く): 563712212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 17780, 22343, 44686, 89372, 111715, 156401, 223430, 312802, 446860, 625604, 782005, 1564010, 2837561, 3128020, 5675122, 11350244, 14187805, 19862927, 28375610, 39725854, 56751220, 79451708, 99314635, 198629270, 397258540]

約数ペア:

[(1, 397258540), (2, 198629270), (4, 99314635), (5, 79451708), (7, 56751220), (10, 39725854), (14, 28375610), (20, 19862927), (28, 14187805), (35, 11350244), (70, 5675122), (127, 3128020), (140, 2837561), (254, 1564010), (508, 782005), (635, 625604), (889, 446860), (1270, 312802), (1778, 223430), (2540, 156401), (3556, 111715), (4445, 89372), (8890, 44686), (17780, 22343)]