414220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 882000

約数和(自身を除く): 467780

約数列:

[1, 2, 4, 5, 10, 20, 139, 149, 278, 298, 556, 596, 695, 745, 1390, 1490, 2780, 2980, 20711, 41422, 82844, 103555, 207110, 414220]

約数ペア:

[(1, 414220), (2, 207110), (4, 103555), (5, 82844), (10, 41422), (20, 20711), (139, 2980), (149, 2780), (278, 1490), (298, 1390), (556, 745), (596, 695)]