260344140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{619867}}^1$

素因数の和:619886

約数の個数: 48

約数和(自身を含む): 833102592

約数和(自身を除く): 572758452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 619867, 1239734, 1859601, 2479468, 3099335, 3719202, 4339069, 6198670, 7438404, 8678138, 9298005, 12397340, 13017207, 17356276, 18596010, 21695345, 26034414, 37192020, 43390690, 52068828, 65086035, 86781380, 130172070, 260344140]

約数ペア:

[(1, 260344140), (2, 130172070), (3, 86781380), (4, 65086035), (5, 52068828), (6, 43390690), (7, 37192020), (10, 26034414), (12, 21695345), (14, 18596010), (15, 17356276), (20, 13017207), (21, 12397340), (28, 9298005), (30, 8678138), (35, 7438404), (42, 6198670), (60, 4339069), (70, 3719202), (84, 3099335), (105, 2479468), (140, 1859601), (210, 1239734), (420, 619867)]