139802890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{7561}}^1$

素因数の和:7654

約数の個数: 24

約数和(自身を含む): 257667588

約数和(自身を除く): 117864698

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1849, 3698, 7561, 9245, 15122, 18490, 37805, 75610, 325123, 650246, 1625615, 3251230, 13980289, 27960578, 69901445, 139802890]

約数ペア:

[(1, 139802890), (2, 69901445), (5, 27960578), (10, 13980289), (43, 3251230), (86, 1625615), (215, 650246), (430, 325123), (1849, 75610), (3698, 37805), (7561, 18490), (9245, 15122)]