1857211040

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{400261}}^1$

素因数の和:400305

約数の個数: 48

約数和(自身を含む): 4538971080

約数和(自身を除く): 2681760040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 400261, 800522, 1601044, 2001305, 3202088, 4002610, 6404176, 8005220, 11607569, 12808352, 16010440, 23215138, 32020880, 46430276, 58037845, 64041760, 92860552, 116075690, 185721104, 232151380, 371442208, 464302760, 928605520, 1857211040]

約数ペア:

[(1, 1857211040), (2, 928605520), (4, 464302760), (5, 371442208), (8, 232151380), (10, 185721104), (16, 116075690), (20, 92860552), (29, 64041760), (32, 58037845), (40, 46430276), (58, 32020880), (80, 23215138), (116, 16010440), (145, 12808352), (160, 11607569), (232, 8005220), (290, 6404176), (464, 4002610), (580, 3202088), (928, 2001305), (1160, 1601044), (2320, 800522), (4640, 400261)]