28941580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 63179424

約数和(自身を除く): 34237844

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 461, 730, 860, 922, 1460, 1844, 2305, 3139, 4610, 6278, 9220, 12556, 15695, 19823, 31390, 33653, 39646, 62780, 67306, 79292, 99115, 134612, 168265, 198230, 336530, 396460, 673060, 1447079, 2894158, 5788316, 7235395, 14470790, 28941580]

約数ペア:

[(1, 28941580), (2, 14470790), (4, 7235395), (5, 5788316), (10, 2894158), (20, 1447079), (43, 673060), (73, 396460), (86, 336530), (146, 198230), (172, 168265), (215, 134612), (292, 99115), (365, 79292), (430, 67306), (461, 62780), (730, 39646), (860, 33653), (922, 31390), (1460, 19823), (1844, 15695), (2305, 12556), (3139, 9220), (4610, 6278)]