28990030

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{28703}}^1$

素因数の和:28811

約数の個数: 16

約数和(自身を含む): 52700544

約数和(自身を除く): 23710514

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 28703, 57406, 143515, 287030, 2899003, 5798006, 14495015, 28990030]

約数ペア:

[(1, 28990030), (2, 14495015), (5, 5798006), (10, 2899003), (101, 287030), (202, 143515), (505, 57406), (1010, 28703)]