248838890

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{99139}}^1$

素因数の和:99397

約数の個数: 16

約数和(自身を含む): 449699040

約数和(自身を除く): 200860150

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 99139, 198278, 495695, 991390, 24883889, 49767778, 124419445, 248838890]

約数ペア:

[(1, 248838890), (2, 124419445), (5, 49767778), (10, 24883889), (251, 991390), (502, 495695), (1255, 198278), (2510, 99139)]