208573750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 120

約数和(自身を含む): 493604496

約数和(自身を除く): 285030746

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 121, 125, 154, 175, 197, 242, 250, 275, 350, 385, 394, 550, 605, 625, 770, 847, 875, 985, 1210, 1250, 1375, 1379, 1694, 1750, 1925, 1970, 2167, 2750, 2758, 3025, 3850, 4235, 4334, 4375, 4925, 6050, 6875, 6895, 8470, 8750, 9625, 9850, 10835, 13750, 13790, 15125, 15169, 19250, 21175, 21670, 23837, 24625, 30250, 30338, 34475, 42350, 47674, 48125, 49250, 54175, 68950, 75625, 75845, 96250, 105875, 108350, 119185, 123125, 151250, 151690, 166859, 172375, 211750, 238370, 246250, 270875, 333718, 344750, 379225, 529375, 541750, 595925, 758450, 834295, 861875, 1058750, 1191850, 1354375, 1668590, 1723750, 1896125, 2708750, 2979625, 3792250, 4171475, 5959250, 8342950, 9480625, 14898125, 18961250, 20857375, 29796250, 41714750, 104286875, 208573750]

約数ペア:

[(1, 208573750), (2, 104286875), (5, 41714750), (7, 29796250), (10, 20857375), (11, 18961250), (14, 14898125), (22, 9480625), (25, 8342950), (35, 5959250), (50, 4171475), (55, 3792250), (70, 2979625), (77, 2708750), (110, 1896125), (121, 1723750), (125, 1668590), (154, 1354375), (175, 1191850), (197, 1058750), (242, 861875), (250, 834295), (275, 758450), (350, 595925), (385, 541750), (394, 529375), (550, 379225), (605, 344750), (625, 333718), (770, 270875), (847, 246250), (875, 238370), (985, 211750), (1210, 172375), (1250, 166859), (1375, 151690), (1379, 151250), (1694, 123125), (1750, 119185), (1925, 108350), (1970, 105875), (2167, 96250), (2750, 75845), (2758, 75625), (3025, 68950), (3850, 54175), (4235, 49250), (4334, 48125), (4375, 47674), (4925, 42350), (6050, 34475), (6875, 30338), (6895, 30250), (8470, 24625), (8750, 23837), (9625, 21670), (9850, 21175), (10835, 19250), (13750, 15169), (13790, 15125)]