2255500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 5320224

約数和(自身を除く): 3064724

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 347, 500, 650, 694, 1300, 1388, 1625, 1735, 3250, 3470, 4511, 6500, 6940, 8675, 9022, 17350, 18044, 22555, 34700, 43375, 45110, 86750, 90220, 112775, 173500, 225550, 451100, 563875, 1127750, 2255500]

約数ペア:

[(1, 2255500), (2, 1127750), (4, 563875), (5, 451100), (10, 225550), (13, 173500), (20, 112775), (25, 90220), (26, 86750), (50, 45110), (52, 43375), (65, 34700), (100, 22555), (125, 18044), (130, 17350), (250, 9022), (260, 8675), (325, 6940), (347, 6500), (500, 4511), (650, 3470), (694, 3250), (1300, 1735), (1388, 1625)]