28820390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2999}}^1$

素因数の和:3068

約数の個数: 24

約数和(自身を含む): 53622000

約数和(自身を除く): 24801610

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 2999, 4805, 5998, 9610, 14995, 29990, 92969, 185938, 464845, 929690, 2882039, 5764078, 14410195, 28820390]

約数ペア:

[(1, 28820390), (2, 14410195), (5, 5764078), (10, 2882039), (31, 929690), (62, 464845), (155, 185938), (310, 92969), (961, 29990), (1922, 14995), (2999, 9610), (4805, 5998)]