15428950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 30690000

約数和(自身を除く): 15261050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 149, 190, 218, 298, 475, 545, 745, 950, 1090, 1490, 2071, 2725, 2831, 3725, 4142, 5450, 5662, 7450, 10355, 14155, 16241, 20710, 28310, 32482, 51775, 70775, 81205, 103550, 141550, 162410, 308579, 406025, 617158, 812050, 1542895, 3085790, 7714475, 15428950]

約数ペア:

[(1, 15428950), (2, 7714475), (5, 3085790), (10, 1542895), (19, 812050), (25, 617158), (38, 406025), (50, 308579), (95, 162410), (109, 141550), (149, 103550), (190, 81205), (218, 70775), (298, 51775), (475, 32482), (545, 28310), (745, 20710), (950, 16241), (1090, 14155), (1490, 10355), (2071, 7450), (2725, 5662), (2831, 5450), (3725, 4142)]