254564140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{1543}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 547057728

約数和(自身を除く): 292493588

約数列:

[1, 2, 4, 5, 10, 20, 73, 113, 146, 226, 292, 365, 452, 565, 730, 1130, 1460, 1543, 2260, 3086, 6172, 7715, 8249, 15430, 16498, 30860, 32996, 41245, 82490, 112639, 164980, 174359, 225278, 348718, 450556, 563195, 697436, 871795, 1126390, 1743590, 2252780, 3487180, 12728207, 25456414, 50912828, 63641035, 127282070, 254564140]

約数ペア:

[(1, 254564140), (2, 127282070), (4, 63641035), (5, 50912828), (10, 25456414), (20, 12728207), (73, 3487180), (113, 2252780), (146, 1743590), (226, 1126390), (292, 871795), (365, 697436), (452, 563195), (565, 450556), (730, 348718), (1130, 225278), (1460, 174359), (1543, 164980), (2260, 112639), (3086, 82490), (6172, 41245), (7715, 32996), (8249, 30860), (15430, 16498)]