50996740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 109494000

約数和(自身を除く): 58497260

約数列:

[1, 2, 4, 5, 10, 20, 109, 149, 157, 218, 298, 314, 436, 545, 596, 628, 745, 785, 1090, 1490, 1570, 2180, 2980, 3140, 16241, 17113, 23393, 32482, 34226, 46786, 64964, 68452, 81205, 85565, 93572, 116965, 162410, 171130, 233930, 324820, 342260, 467860, 2549837, 5099674, 10199348, 12749185, 25498370, 50996740]

約数ペア:

[(1, 50996740), (2, 25498370), (4, 12749185), (5, 10199348), (10, 5099674), (20, 2549837), (109, 467860), (149, 342260), (157, 324820), (218, 233930), (298, 171130), (314, 162410), (436, 116965), (545, 93572), (596, 85565), (628, 81205), (745, 68452), (785, 64964), (1090, 46786), (1490, 34226), (1570, 32482), (2180, 23393), (2980, 17113), (3140, 16241)]