4157020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 10418688

約数和(自身を除く): 6261668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1291, 1610, 2582, 3220, 5164, 6455, 9037, 12910, 18074, 25820, 29693, 36148, 45185, 59386, 90370, 118772, 148465, 180740, 207851, 296930, 415702, 593860, 831404, 1039255, 2078510, 4157020]

約数ペア:

[(1, 4157020), (2, 2078510), (4, 1039255), (5, 831404), (7, 593860), (10, 415702), (14, 296930), (20, 207851), (23, 180740), (28, 148465), (35, 118772), (46, 90370), (70, 59386), (92, 45185), (115, 36148), (140, 29693), (161, 25820), (230, 18074), (322, 12910), (460, 9037), (644, 6455), (805, 5164), (1291, 3220), (1610, 2582)]