3985779980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2189989}}^1$

素因数の和:2190018

約数の個数: 48

約数和(自身を含む): 10301712960

約数和(自身を除く): 6315932980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2189989, 4379978, 8759956, 10949945, 15329923, 21899890, 28469857, 30659846, 43799780, 56939714, 61319692, 76649615, 113879428, 142349285, 153299230, 199288999, 284698570, 306598460, 398577998, 569397140, 797155996, 996444995, 1992889990, 3985779980]

約数ペア:

[(1, 3985779980), (2, 1992889990), (4, 996444995), (5, 797155996), (7, 569397140), (10, 398577998), (13, 306598460), (14, 284698570), (20, 199288999), (26, 153299230), (28, 142349285), (35, 113879428), (52, 76649615), (65, 61319692), (70, 56939714), (91, 43799780), (130, 30659846), (140, 28469857), (182, 21899890), (260, 15329923), (364, 10949945), (455, 8759956), (910, 4379978), (1820, 2189989)]