2797400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 6629040

約数和(自身を除く): 3831640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 197, 200, 284, 355, 394, 568, 710, 788, 985, 1420, 1576, 1775, 1970, 2840, 3550, 3940, 4925, 7100, 7880, 9850, 13987, 14200, 19700, 27974, 39400, 55948, 69935, 111896, 139870, 279740, 349675, 559480, 699350, 1398700, 2797400]

約数ペア:

[(1, 2797400), (2, 1398700), (4, 699350), (5, 559480), (8, 349675), (10, 279740), (20, 139870), (25, 111896), (40, 69935), (50, 55948), (71, 39400), (100, 27974), (142, 19700), (197, 14200), (200, 13987), (284, 9850), (355, 7880), (394, 7100), (568, 4925), (710, 3940), (788, 3550), (985, 2840), (1420, 1970), (1576, 1775)]