2803400

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 6629040

約数和(自身を除く): 3825640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 131, 200, 214, 262, 428, 524, 535, 655, 856, 1048, 1070, 1310, 2140, 2620, 2675, 3275, 4280, 5240, 5350, 6550, 10700, 13100, 14017, 21400, 26200, 28034, 56068, 70085, 112136, 140170, 280340, 350425, 560680, 700850, 1401700, 2803400]

約数ペア:

[(1, 2803400), (2, 1401700), (4, 700850), (5, 560680), (8, 350425), (10, 280340), (20, 140170), (25, 112136), (40, 70085), (50, 56068), (100, 28034), (107, 26200), (131, 21400), (200, 14017), (214, 13100), (262, 10700), (428, 6550), (524, 5350), (535, 5240), (655, 4280), (856, 3275), (1048, 2675), (1070, 2620), (1310, 2140)]