256804550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{302123}}^1$

素因数の和:302152

約数の個数: 24

約数和(自身を含む): 505755576

約数和(自身を除く): 248951026

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 302123, 604246, 1510615, 3021230, 5136091, 7553075, 10272182, 15106150, 25680455, 51360910, 128402275, 256804550]

約数ペア:

[(1, 256804550), (2, 128402275), (5, 51360910), (10, 25680455), (17, 15106150), (25, 10272182), (34, 7553075), (50, 5136091), (85, 3021230), (170, 1510615), (425, 604246), (850, 302123)]