718207490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:652

約数の個数: 128

約数和(自身を含む): 1750629888

約数和(自身を除く): 1032422398

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 157, 182, 286, 314, 385, 455, 457, 715, 770, 785, 910, 914, 1001, 1099, 1430, 1570, 1727, 2002, 2041, 2198, 2285, 3199, 3454, 4082, 4570, 5005, 5027, 5495, 5941, 6398, 8635, 10010, 10054, 10205, 10990, 11882, 12089, 14287, 15995, 17270, 20410, 22451, 24178, 25135, 28574, 29705, 31990, 35189, 41587, 44902, 50270, 59410, 60445, 65351, 70378, 71435, 71749, 83174, 112255, 120890, 130702, 142870, 143498, 157157, 175945, 207935, 224510, 314314, 326755, 351890, 358745, 415870, 457457, 502243, 653510, 717490, 785785, 789239, 914914, 932737, 1004486, 1571570, 1578478, 1865474, 2287285, 2511215, 3946195, 4574570, 4663685, 5022430, 5524673, 6529159, 7892390, 9327370, 10260107, 11049346, 13058318, 20520214, 27623365, 32645795, 51300535, 55246730, 65291590, 71820749, 102601070, 143641498, 359103745, 718207490]

約数ペア:

[(1, 718207490), (2, 359103745), (5, 143641498), (7, 102601070), (10, 71820749), (11, 65291590), (13, 55246730), (14, 51300535), (22, 32645795), (26, 27623365), (35, 20520214), (55, 13058318), (65, 11049346), (70, 10260107), (77, 9327370), (91, 7892390), (110, 6529159), (130, 5524673), (143, 5022430), (154, 4663685), (157, 4574570), (182, 3946195), (286, 2511215), (314, 2287285), (385, 1865474), (455, 1578478), (457, 1571570), (715, 1004486), (770, 932737), (785, 914914), (910, 789239), (914, 785785), (1001, 717490), (1099, 653510), (1430, 502243), (1570, 457457), (1727, 415870), (2002, 358745), (2041, 351890), (2198, 326755), (2285, 314314), (3199, 224510), (3454, 207935), (4082, 175945), (4570, 157157), (5005, 143498), (5027, 142870), (5495, 130702), (5941, 120890), (6398, 112255), (8635, 83174), (10010, 71749), (10054, 71435), (10205, 70378), (10990, 65351), (11882, 60445), (12089, 59410), (14287, 50270), (15995, 44902), (17270, 41587), (20410, 35189), (22451, 31990), (24178, 29705), (25135, 28574)]