205743390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{159491}}^1$

素因数の和:159544

約数の個数: 32

約数和(自身を含む): 505270656

約数和(自身を除く): 299527266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 159491, 318982, 478473, 797455, 956946, 1594910, 2392365, 4784730, 6858113, 13716226, 20574339, 34290565, 41148678, 68581130, 102871695, 205743390]

約数ペア:

[(1, 205743390), (2, 102871695), (3, 68581130), (5, 41148678), (6, 34290565), (10, 20574339), (15, 13716226), (30, 6858113), (43, 4784730), (86, 2392365), (129, 1594910), (215, 956946), (258, 797455), (430, 478473), (645, 318982), (1290, 159491)]