87934840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{617}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 226929600

約数和(自身を除く): 138994760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 509, 617, 1018, 1234, 2036, 2468, 2545, 3085, 3563, 4072, 4319, 4936, 5090, 6170, 7126, 8638, 10180, 12340, 14252, 17276, 17815, 20360, 21595, 24680, 28504, 34552, 35630, 43190, 71260, 86380, 142520, 172760, 314053, 628106, 1256212, 1570265, 2198371, 2512424, 3140530, 4396742, 6281060, 8793484, 10991855, 12562120, 17586968, 21983710, 43967420, 87934840]

約数ペア:

[(1, 87934840), (2, 43967420), (4, 21983710), (5, 17586968), (7, 12562120), (8, 10991855), (10, 8793484), (14, 6281060), (20, 4396742), (28, 3140530), (35, 2512424), (40, 2198371), (56, 1570265), (70, 1256212), (140, 628106), (280, 314053), (509, 172760), (617, 142520), (1018, 86380), (1234, 71260), (2036, 43190), (2468, 35630), (2545, 34552), (3085, 28504), (3563, 24680), (4072, 21595), (4319, 20360), (4936, 17815), (5090, 17276), (6170, 14252), (7126, 12340), (8638, 10180)]