71325100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 197487360

約数和(自身を除く): 126162260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 59, 70, 77, 100, 110, 118, 140, 154, 157, 175, 220, 236, 275, 295, 308, 314, 350, 385, 413, 550, 590, 628, 649, 700, 770, 785, 826, 1099, 1100, 1180, 1298, 1475, 1540, 1570, 1652, 1727, 1925, 2065, 2198, 2596, 2950, 3140, 3245, 3454, 3850, 3925, 4130, 4396, 4543, 5495, 5900, 6490, 6908, 7700, 7850, 8260, 8635, 9086, 9263, 10325, 10990, 12089, 12980, 15700, 16225, 17270, 18172, 18526, 20650, 21980, 22715, 24178, 27475, 32450, 34540, 37052, 41300, 43175, 45430, 46315, 48356, 54950, 60445, 64841, 64900, 86350, 90860, 92630, 101893, 109900, 113575, 120890, 129682, 172700, 185260, 203786, 227150, 231575, 241780, 259364, 302225, 324205, 407572, 454300, 463150, 509465, 604450, 648410, 713251, 926300, 1018930, 1208900, 1296820, 1426502, 1621025, 2037860, 2547325, 2853004, 3242050, 3566255, 5094650, 6484100, 7132510, 10189300, 14265020, 17831275, 35662550, 71325100]

約数ペア:

[(1, 71325100), (2, 35662550), (4, 17831275), (5, 14265020), (7, 10189300), (10, 7132510), (11, 6484100), (14, 5094650), (20, 3566255), (22, 3242050), (25, 2853004), (28, 2547325), (35, 2037860), (44, 1621025), (50, 1426502), (55, 1296820), (59, 1208900), (70, 1018930), (77, 926300), (100, 713251), (110, 648410), (118, 604450), (140, 509465), (154, 463150), (157, 454300), (175, 407572), (220, 324205), (236, 302225), (275, 259364), (295, 241780), (308, 231575), (314, 227150), (350, 203786), (385, 185260), (413, 172700), (550, 129682), (590, 120890), (628, 113575), (649, 109900), (700, 101893), (770, 92630), (785, 90860), (826, 86350), (1099, 64900), (1100, 64841), (1180, 60445), (1298, 54950), (1475, 48356), (1540, 46315), (1570, 45430), (1652, 43175), (1727, 41300), (1925, 37052), (2065, 34540), (2198, 32450), (2596, 27475), (2950, 24178), (3140, 22715), (3245, 21980), (3454, 20650), (3850, 18526), (3925, 18172), (4130, 17270), (4396, 16225), (4543, 15700), (5495, 12980), (5900, 12089), (6490, 10990), (6908, 10325), (7700, 9263), (7850, 9086), (8260, 8635)]