3820040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1949}}^1$

素因数の和:1974

約数の個数: 48

約数和(自身を含む): 10003500

約数和(自身を除く): 6183460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1949, 1960, 3898, 7796, 9745, 13643, 15592, 19490, 27286, 38980, 54572, 68215, 77960, 95501, 109144, 136430, 191002, 272860, 382004, 477505, 545720, 764008, 955010, 1910020, 3820040]

約数ペア:

[(1, 3820040), (2, 1910020), (4, 955010), (5, 764008), (7, 545720), (8, 477505), (10, 382004), (14, 272860), (20, 191002), (28, 136430), (35, 109144), (40, 95501), (49, 77960), (56, 68215), (70, 54572), (98, 38980), (140, 27286), (196, 19490), (245, 15592), (280, 13643), (392, 9745), (490, 7796), (980, 3898), (1949, 1960)]