219800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{157}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 587760

約数和(自身を除く): 367960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 157, 175, 200, 280, 314, 350, 628, 700, 785, 1099, 1256, 1400, 1570, 2198, 3140, 3925, 4396, 5495, 6280, 7850, 8792, 10990, 15700, 21980, 27475, 31400, 43960, 54950, 109900, 219800]

約数ペア:

[(1, 219800), (2, 109900), (4, 54950), (5, 43960), (7, 31400), (8, 27475), (10, 21980), (14, 15700), (20, 10990), (25, 8792), (28, 7850), (35, 6280), (40, 5495), (50, 4396), (56, 3925), (70, 3140), (100, 2198), (140, 1570), (157, 1400), (175, 1256), (200, 1099), (280, 785), (314, 700), (350, 628)]