28516900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9199}}^1$

素因数の和:9244

約数の個数: 36

約数和(自身を含む): 63884800

約数和(自身を除く): 35367900

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 9199, 18398, 36796, 45995, 91990, 183980, 229975, 285169, 459950, 570338, 919900, 1140676, 1425845, 2851690, 5703380, 7129225, 14258450, 28516900]

約数ペア:

[(1, 28516900), (2, 14258450), (4, 7129225), (5, 5703380), (10, 2851690), (20, 1425845), (25, 1140676), (31, 919900), (50, 570338), (62, 459950), (100, 285169), (124, 229975), (155, 183980), (310, 91990), (620, 45995), (775, 36796), (1550, 18398), (3100, 9199)]