1420221320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137087}}^1$

素因数の和:137142

約数の個数: 64

約数和(自身を含む): 3750727680

約数和(自身を除く): 2330506360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 137087, 274174, 548348, 685435, 959609, 1096696, 1370870, 1919218, 2741740, 3838436, 4798045, 5072219, 5483480, 7676872, 9596090, 10144438, 19192180, 20288876, 25361095, 35505533, 38384360, 40577752, 50722190, 71011066, 101444380, 142022132, 177527665, 202888760, 284044264, 355055330, 710110660, 1420221320]

約数ペア:

[(1, 1420221320), (2, 710110660), (4, 355055330), (5, 284044264), (7, 202888760), (8, 177527665), (10, 142022132), (14, 101444380), (20, 71011066), (28, 50722190), (35, 40577752), (37, 38384360), (40, 35505533), (56, 25361095), (70, 20288876), (74, 19192180), (140, 10144438), (148, 9596090), (185, 7676872), (259, 5483480), (280, 5072219), (296, 4798045), (370, 3838436), (518, 2741740), (740, 1919218), (1036, 1370870), (1295, 1096696), (1480, 959609), (2072, 685435), (2590, 548348), (5180, 274174), (10360, 137087)]