218523275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2063}}^1$

素因数の和:2315

約数の個数: 24

約数和(自身を含む): 286648320

約数和(自身を除く): 68125045

約数列:

[1, 5, 19, 25, 95, 223, 475, 1115, 2063, 4237, 5575, 10315, 21185, 39197, 51575, 105925, 195985, 460049, 979925, 2300245, 8740931, 11501225, 43704655, 218523275]

約数ペア:

[(1, 218523275), (5, 43704655), (19, 11501225), (25, 8740931), (95, 2300245), (223, 979925), (475, 460049), (1115, 195985), (2063, 105925), (4237, 51575), (5575, 39197), (10315, 21185)]