225620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 491400

約数和(自身を除く): 265780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 389, 580, 778, 1556, 1945, 3890, 7780, 11281, 22562, 45124, 56405, 112810, 225620]

約数ペア:

[(1, 225620), (2, 112810), (4, 56405), (5, 45124), (10, 22562), (20, 11281), (29, 7780), (58, 3890), (116, 1945), (145, 1556), (290, 778), (389, 580)]