428620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 932400

約数和(自身を除く): 503780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 739, 1478, 2956, 3695, 7390, 14780, 21431, 42862, 85724, 107155, 214310, 428620]

約数ペア:

[(1, 428620), (2, 214310), (4, 107155), (5, 85724), (10, 42862), (20, 21431), (29, 14780), (58, 7390), (116, 3695), (145, 2956), (290, 1478), (580, 739)]