202184440

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{21149}}^1$

素因数の和:21399

約数の個数: 32

約数和(自身を含む): 456840000

約数和(自身を除く): 254655560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 21149, 42298, 84596, 105745, 169192, 211490, 422980, 845960, 5054611, 10109222, 20218444, 25273055, 40436888, 50546110, 101092220, 202184440]

約数ペア:

[(1, 202184440), (2, 101092220), (4, 50546110), (5, 40436888), (8, 25273055), (10, 20218444), (20, 10109222), (40, 5054611), (239, 845960), (478, 422980), (956, 211490), (1195, 169192), (1912, 105745), (2390, 84596), (4780, 42298), (9560, 21149)]