1964510362840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1951}}^1\times {\mathrm{354551}}^1$

素因数の和:356584

約数の個数: 64

約数和(自身を含む): 4484714065920

約数和(自身を除く): 2520203703080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1951, 2840, 3902, 7804, 9755, 15608, 19510, 39020, 78040, 138521, 277042, 354551, 554084, 692605, 709102, 1108168, 1385210, 1418204, 1772755, 2770420, 2836408, 3545510, 5540840, 7091020, 14182040, 25173121, 50346242, 100692484, 125865605, 201384968, 251731210, 503462420, 691729001, 1006924840, 1383458002, 2766916004, 3458645005, 5533832008, 6917290010, 13834580020, 27669160040, 49112759071, 98225518142, 196451036284, 245563795355, 392902072568, 491127590710, 982255181420, 1964510362840]

約数ペア:

[(1, 1964510362840), (2, 982255181420), (4, 491127590710), (5, 392902072568), (8, 245563795355), (10, 196451036284), (20, 98225518142), (40, 49112759071), (71, 27669160040), (142, 13834580020), (284, 6917290010), (355, 5533832008), (568, 3458645005), (710, 2766916004), (1420, 1383458002), (1951, 1006924840), (2840, 691729001), (3902, 503462420), (7804, 251731210), (9755, 201384968), (15608, 125865605), (19510, 100692484), (39020, 50346242), (78040, 25173121), (138521, 14182040), (277042, 7091020), (354551, 5540840), (554084, 3545510), (692605, 2836408), (709102, 2770420), (1108168, 1772755), (1385210, 1418204)]