49498960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 132598656

約数和(自身を除く): 83099696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 563, 628, 785, 1099, 1126, 1256, 1570, 2198, 2252, 2512, 2815, 3140, 3941, 4396, 4504, 5495, 5630, 6280, 7882, 8792, 9008, 10990, 11260, 12560, 15764, 17584, 19705, 21980, 22520, 31528, 39410, 43960, 45040, 63056, 78820, 87920, 88391, 157640, 176782, 315280, 353564, 441955, 618737, 707128, 883910, 1237474, 1414256, 1767820, 2474948, 3093685, 3535640, 4949896, 6187370, 7071280, 9899792, 12374740, 24749480, 49498960]

約数ペア:

[(1, 49498960), (2, 24749480), (4, 12374740), (5, 9899792), (7, 7071280), (8, 6187370), (10, 4949896), (14, 3535640), (16, 3093685), (20, 2474948), (28, 1767820), (35, 1414256), (40, 1237474), (56, 883910), (70, 707128), (80, 618737), (112, 441955), (140, 353564), (157, 315280), (280, 176782), (314, 157640), (560, 88391), (563, 87920), (628, 78820), (785, 63056), (1099, 45040), (1126, 43960), (1256, 39410), (1570, 31528), (2198, 22520), (2252, 21980), (2512, 19705), (2815, 17584), (3140, 15764), (3941, 12560), (4396, 11260), (4504, 10990), (5495, 9008), (5630, 8792), (6280, 7882)]