1228861690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2507881}}^1$

素因数の和:2507902

約数の個数: 24

約数和(自身を含む): 2573086932

約数和(自身を除く): 1344225242

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2507881, 5015762, 12539405, 17555167, 25078810, 35110334, 87775835, 122886169, 175551670, 245772338, 614430845, 1228861690]

約数ペア:

[(1, 1228861690), (2, 614430845), (5, 245772338), (7, 175551670), (10, 122886169), (14, 87775835), (35, 35110334), (49, 25078810), (70, 17555167), (98, 12539405), (245, 5015762), (490, 2507881)]