1904300

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 4192440

約数和(自身を除く): 2288140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 139, 274, 278, 548, 556, 685, 695, 1370, 1390, 2740, 2780, 3425, 3475, 6850, 6950, 13700, 13900, 19043, 38086, 76172, 95215, 190430, 380860, 476075, 952150, 1904300]

約数ペア:

[(1, 1904300), (2, 952150), (4, 476075), (5, 380860), (10, 190430), (20, 95215), (25, 76172), (50, 38086), (100, 19043), (137, 13900), (139, 13700), (274, 6950), (278, 6850), (548, 3475), (556, 3425), (685, 2780), (695, 2740), (1370, 1390)]