321786980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1\times {\mathrm{347}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 684028800

約数和(自身を除く): 362241820

約数列:

[1, 2, 4, 5, 10, 20, 199, 233, 347, 398, 466, 694, 796, 932, 995, 1165, 1388, 1735, 1990, 2330, 3470, 3980, 4660, 6940, 46367, 69053, 80851, 92734, 138106, 161702, 185468, 231835, 276212, 323404, 345265, 404255, 463670, 690530, 808510, 927340, 1381060, 1617020, 16089349, 32178698, 64357396, 80446745, 160893490, 321786980]

約数ペア:

[(1, 321786980), (2, 160893490), (4, 80446745), (5, 64357396), (10, 32178698), (20, 16089349), (199, 1617020), (233, 1381060), (347, 927340), (398, 808510), (466, 690530), (694, 463670), (796, 404255), (932, 345265), (995, 323404), (1165, 276212), (1388, 231835), (1735, 185468), (1990, 161702), (2330, 138106), (3470, 92734), (3980, 80851), (4660, 69053), (6940, 46367)]