1821140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 4136832

約数和(自身を除く): 2315692

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 107, 115, 148, 185, 214, 230, 370, 428, 460, 535, 740, 851, 1070, 1702, 2140, 2461, 3404, 3959, 4255, 4922, 7918, 8510, 9844, 12305, 15836, 17020, 19795, 24610, 39590, 49220, 79180, 91057, 182114, 364228, 455285, 910570, 1821140]

約数ペア:

[(1, 1821140), (2, 910570), (4, 455285), (5, 364228), (10, 182114), (20, 91057), (23, 79180), (37, 49220), (46, 39590), (74, 24610), (92, 19795), (107, 17020), (115, 15836), (148, 12305), (185, 9844), (214, 8510), (230, 7918), (370, 4922), (428, 4255), (460, 3959), (535, 3404), (740, 2461), (851, 2140), (1070, 1702)]