56184920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{857}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 138996000

約数和(自身を除く): 82811080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 857, 1192, 1490, 1639, 1714, 2980, 3278, 3428, 4285, 5960, 6556, 6856, 8195, 8570, 9427, 13112, 16390, 17140, 18854, 32780, 34280, 37708, 47135, 65560, 75416, 94270, 127693, 188540, 255386, 377080, 510772, 638465, 1021544, 1276930, 1404623, 2553860, 2809246, 5107720, 5618492, 7023115, 11236984, 14046230, 28092460, 56184920]

約数ペア:

[(1, 56184920), (2, 28092460), (4, 14046230), (5, 11236984), (8, 7023115), (10, 5618492), (11, 5107720), (20, 2809246), (22, 2553860), (40, 1404623), (44, 1276930), (55, 1021544), (88, 638465), (110, 510772), (149, 377080), (220, 255386), (298, 188540), (440, 127693), (596, 94270), (745, 75416), (857, 65560), (1192, 47135), (1490, 37708), (1639, 34280), (1714, 32780), (2980, 18854), (3278, 17140), (3428, 16390), (4285, 13112), (5960, 9427), (6556, 8570), (6856, 8195)]