4278950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 8905680

約数和(自身を除く): 4626730

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 227, 290, 325, 377, 454, 650, 725, 754, 1135, 1450, 1885, 2270, 2951, 3770, 5675, 5902, 6583, 9425, 11350, 13166, 14755, 18850, 29510, 32915, 65830, 73775, 85579, 147550, 164575, 171158, 329150, 427895, 855790, 2139475, 4278950]

約数ペア:

[(1, 4278950), (2, 2139475), (5, 855790), (10, 427895), (13, 329150), (25, 171158), (26, 164575), (29, 147550), (50, 85579), (58, 73775), (65, 65830), (130, 32915), (145, 29510), (227, 18850), (290, 14755), (325, 13166), (377, 11350), (454, 9425), (650, 6583), (725, 5902), (754, 5675), (1135, 3770), (1450, 2951), (1885, 2270)]