50149990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 103680000

約数和(自身を除く): 53530010

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 79, 110, 145, 158, 199, 290, 319, 395, 398, 638, 790, 869, 995, 1595, 1738, 1990, 2189, 2291, 3190, 4345, 4378, 4582, 5771, 8690, 10945, 11455, 11542, 15721, 21890, 22910, 25201, 28855, 31442, 50402, 57710, 63481, 78605, 126005, 126962, 157210, 172931, 252010, 317405, 345862, 455909, 634810, 864655, 911818, 1729310, 2279545, 4559090, 5014999, 10029998, 25074995, 50149990]

約数ペア:

[(1, 50149990), (2, 25074995), (5, 10029998), (10, 5014999), (11, 4559090), (22, 2279545), (29, 1729310), (55, 911818), (58, 864655), (79, 634810), (110, 455909), (145, 345862), (158, 317405), (199, 252010), (290, 172931), (319, 157210), (395, 126962), (398, 126005), (638, 78605), (790, 63481), (869, 57710), (995, 50402), (1595, 31442), (1738, 28855), (1990, 25201), (2189, 22910), (2291, 21890), (3190, 15721), (4345, 11542), (4378, 11455), (4582, 10945), (5771, 8690)]