28991220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6619}}^1$

素因数の和:6704

約数の個数: 48

約数和(自身を含む): 82299840

約数和(自身を除く): 53308620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 6619, 13238, 19857, 26476, 33095, 39714, 66190, 79428, 99285, 132380, 198570, 397140, 483187, 966374, 1449561, 1932748, 2415935, 2899122, 4831870, 5798244, 7247805, 9663740, 14495610, 28991220]

約数ペア:

[(1, 28991220), (2, 14495610), (3, 9663740), (4, 7247805), (5, 5798244), (6, 4831870), (10, 2899122), (12, 2415935), (15, 1932748), (20, 1449561), (30, 966374), (60, 483187), (73, 397140), (146, 198570), (219, 132380), (292, 99285), (365, 79428), (438, 66190), (730, 39714), (876, 33095), (1095, 26476), (1460, 19857), (2190, 13238), (4380, 6619)]