814886980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1\times {\mathrm{2029}}^1$

素因数の和:2548

約数の個数: 48

約数和(自身を含む): 1755673920

約数和(自身を除く): 940786940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 467, 860, 934, 1868, 2029, 2335, 4058, 4670, 8116, 9340, 10145, 20081, 20290, 40162, 40580, 80324, 87247, 100405, 174494, 200810, 348988, 401620, 436235, 872470, 947543, 1744940, 1895086, 3790172, 4737715, 9475430, 18950860, 40744349, 81488698, 162977396, 203721745, 407443490, 814886980]

約数ペア:

[(1, 814886980), (2, 407443490), (4, 203721745), (5, 162977396), (10, 81488698), (20, 40744349), (43, 18950860), (86, 9475430), (172, 4737715), (215, 3790172), (430, 1895086), (467, 1744940), (860, 947543), (934, 872470), (1868, 436235), (2029, 401620), (2335, 348988), (4058, 200810), (4670, 174494), (8116, 100405), (9340, 87247), (10145, 80324), (20081, 40580), (20290, 40162)]