440104660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1\times {\mathrm{757}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 949349520

約数和(自身を除く): 509244860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 709, 757, 820, 1418, 1514, 2836, 3028, 3545, 3785, 7090, 7570, 14180, 15140, 29069, 31037, 58138, 62074, 116276, 124148, 145345, 155185, 290690, 310370, 536713, 581380, 620740, 1073426, 2146852, 2683565, 5367130, 10734260, 22005233, 44010466, 88020932, 110026165, 220052330, 440104660]

約数ペア:

[(1, 440104660), (2, 220052330), (4, 110026165), (5, 88020932), (10, 44010466), (20, 22005233), (41, 10734260), (82, 5367130), (164, 2683565), (205, 2146852), (410, 1073426), (709, 620740), (757, 581380), (820, 536713), (1418, 310370), (1514, 290690), (2836, 155185), (3028, 145345), (3545, 124148), (3785, 116276), (7090, 62074), (7570, 58138), (14180, 31037), (15140, 29069)]