285428500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{81551}}^1$

素因数の和:81577

約数の個数: 48

約数和(自身を含む): 712438272

約数和(自身を除く): 427009772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 81551, 163102, 326204, 407755, 570857, 815510, 1141714, 1631020, 2038775, 2283428, 2854285, 4077550, 5708570, 8155100, 10193875, 11417140, 14271425, 20387750, 28542850, 40775500, 57085700, 71357125, 142714250, 285428500]

約数ペア:

[(1, 285428500), (2, 142714250), (4, 71357125), (5, 57085700), (7, 40775500), (10, 28542850), (14, 20387750), (20, 14271425), (25, 11417140), (28, 10193875), (35, 8155100), (50, 5708570), (70, 4077550), (100, 2854285), (125, 2283428), (140, 2038775), (175, 1631020), (250, 1141714), (350, 815510), (500, 570857), (700, 407755), (875, 326204), (1750, 163102), (3500, 81551)]