290089225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{6911}}^1$

素因数の和:7017

約数の個数: 24

約数和(自身を含む): 380547072

約数和(自身を除く): 90457847

約数列:

[1, 5, 23, 25, 73, 115, 365, 575, 1679, 1825, 6911, 8395, 34555, 41975, 158953, 172775, 504503, 794765, 2522515, 3973825, 11603569, 12612575, 58017845, 290089225]

約数ペア:

[(1, 290089225), (5, 58017845), (23, 12612575), (25, 11603569), (73, 3973825), (115, 2522515), (365, 794765), (575, 504503), (1679, 172775), (1825, 158953), (6911, 41975), (8395, 34555)]