204884920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2819}}^1$

素因数の和:2932

約数の個数: 64

約数和(自身を含む): 487296000

約数和(自身を除く): 282411080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 460, 632, 790, 920, 1580, 1817, 2819, 3160, 3634, 5638, 7268, 9085, 11276, 14095, 14536, 18170, 22552, 28190, 36340, 56380, 64837, 72680, 112760, 129674, 222701, 259348, 324185, 445402, 518696, 648370, 890804, 1113505, 1296740, 1781608, 2227010, 2593480, 4454020, 5122123, 8908040, 10244246, 20488492, 25610615, 40976984, 51221230, 102442460, 204884920]

約数ペア:

[(1, 204884920), (2, 102442460), (4, 51221230), (5, 40976984), (8, 25610615), (10, 20488492), (20, 10244246), (23, 8908040), (40, 5122123), (46, 4454020), (79, 2593480), (92, 2227010), (115, 1781608), (158, 1296740), (184, 1113505), (230, 890804), (316, 648370), (395, 518696), (460, 445402), (632, 324185), (790, 259348), (920, 222701), (1580, 129674), (1817, 112760), (2819, 72680), (3160, 64837), (3634, 56380), (5638, 36340), (7268, 28190), (9085, 22552), (11276, 18170), (14095, 14536)]