1223648620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2109739}}^1$

素因数の和:2109777

約数の個数: 24

約数和(自身を含む): 2658272400

約数和(自身を除く): 1434623780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2109739, 4219478, 8438956, 10548695, 21097390, 42194780, 61182431, 122364862, 244729724, 305912155, 611824310, 1223648620]

約数ペア:

[(1, 1223648620), (2, 611824310), (4, 305912155), (5, 244729724), (10, 122364862), (20, 61182431), (29, 42194780), (58, 21097390), (116, 10548695), (145, 8438956), (290, 4219478), (580, 2109739)]