339778840

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{12437}}^1$

素因数の和:13131

約数の個数: 32

約数和(自身を含む): 765683280

約数和(自身を除く): 425904440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 3415, 5464, 6830, 12437, 13660, 24874, 27320, 49748, 62185, 99496, 124370, 248740, 497480, 8494471, 16988942, 33977884, 42472355, 67955768, 84944710, 169889420, 339778840]

約数ペア:

[(1, 339778840), (2, 169889420), (4, 84944710), (5, 67955768), (8, 42472355), (10, 33977884), (20, 16988942), (40, 8494471), (683, 497480), (1366, 248740), (2732, 124370), (3415, 99496), (5464, 62185), (6830, 49748), (12437, 27320), (13660, 24874)]