7136212840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{42589}}^1$

素因数の和:42730

約数の個数: 64

約数和(自身を含む): 16558992000

約数和(自身を除く): 9422779160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 71, 118, 142, 236, 284, 295, 355, 472, 568, 590, 710, 1180, 1420, 2360, 2840, 4189, 8378, 16756, 20945, 33512, 41890, 42589, 83780, 85178, 167560, 170356, 212945, 340712, 425890, 851780, 1703560, 2512751, 3023819, 5025502, 6047638, 10051004, 12095276, 12563755, 15119095, 20102008, 24190552, 25127510, 30238190, 50255020, 60476380, 100510040, 120952760, 178405321, 356810642, 713621284, 892026605, 1427242568, 1784053210, 3568106420, 7136212840]

約数ペア:

[(1, 7136212840), (2, 3568106420), (4, 1784053210), (5, 1427242568), (8, 892026605), (10, 713621284), (20, 356810642), (40, 178405321), (59, 120952760), (71, 100510040), (118, 60476380), (142, 50255020), (236, 30238190), (284, 25127510), (295, 24190552), (355, 20102008), (472, 15119095), (568, 12563755), (590, 12095276), (710, 10051004), (1180, 6047638), (1420, 5025502), (2360, 3023819), (2840, 2512751), (4189, 1703560), (8378, 851780), (16756, 425890), (20945, 340712), (33512, 212945), (41890, 170356), (42589, 167560), (83780, 85178)]