1912620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 5419008

約数和(自身を除く): 3506388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 251, 254, 381, 502, 508, 635, 753, 762, 1004, 1255, 1270, 1506, 1524, 1905, 2510, 2540, 3012, 3765, 3810, 5020, 7530, 7620, 15060, 31877, 63754, 95631, 127508, 159385, 191262, 318770, 382524, 478155, 637540, 956310, 1912620]

約数ペア:

[(1, 1912620), (2, 956310), (3, 637540), (4, 478155), (5, 382524), (6, 318770), (10, 191262), (12, 159385), (15, 127508), (20, 95631), (30, 63754), (60, 31877), (127, 15060), (251, 7620), (254, 7530), (381, 5020), (502, 3810), (508, 3765), (635, 3012), (753, 2540), (762, 2510), (1004, 1905), (1255, 1524), (1270, 1506)]