28717860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{478631}}^1$

素因数の和:478643

約数の個数: 24

約数和(自身を含む): 80410176

約数和(自身を除く): 51692316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 478631, 957262, 1435893, 1914524, 2393155, 2871786, 4786310, 5743572, 7179465, 9572620, 14358930, 28717860]

約数ペア:

[(1, 28717860), (2, 14358930), (3, 9572620), (4, 7179465), (5, 5743572), (6, 4786310), (10, 2871786), (12, 2393155), (15, 1914524), (20, 1435893), (30, 957262), (60, 478631)]