28148660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 61471872

約数和(自身を除く): 33323212

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 461, 710, 860, 922, 1420, 1844, 2305, 3053, 4610, 6106, 9220, 12212, 15265, 19823, 30530, 32731, 39646, 61060, 65462, 79292, 99115, 130924, 163655, 198230, 327310, 396460, 654620, 1407433, 2814866, 5629732, 7037165, 14074330, 28148660]

約数ペア:

[(1, 28148660), (2, 14074330), (4, 7037165), (5, 5629732), (10, 2814866), (20, 1407433), (43, 654620), (71, 396460), (86, 327310), (142, 198230), (172, 163655), (215, 130924), (284, 99115), (355, 79292), (430, 65462), (461, 61060), (710, 39646), (860, 32731), (922, 30530), (1420, 19823), (1844, 15265), (2305, 12212), (3053, 9220), (4610, 6106)]