2000861720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349801}}^1$

素因数の和:349836

約数の個数: 64

約数和(自身を含む): 5289006240

約数和(自身を除く): 3288144520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 349801, 699602, 1399204, 1749005, 2798408, 3498010, 3847811, 4547413, 6996020, 7695622, 9094826, 13992040, 15391244, 18189652, 19239055, 22737065, 30782488, 36379304, 38478110, 45474130, 50021543, 76956220, 90948260, 100043086, 153912440, 181896520, 200086172, 250107715, 400172344, 500215430, 1000430860, 2000861720]

約数ペア:

[(1, 2000861720), (2, 1000430860), (4, 500215430), (5, 400172344), (8, 250107715), (10, 200086172), (11, 181896520), (13, 153912440), (20, 100043086), (22, 90948260), (26, 76956220), (40, 50021543), (44, 45474130), (52, 38478110), (55, 36379304), (65, 30782488), (88, 22737065), (104, 19239055), (110, 18189652), (130, 15391244), (143, 13992040), (220, 9094826), (260, 7695622), (286, 6996020), (440, 4547413), (520, 3847811), (572, 3498010), (715, 2798408), (1144, 1749005), (1430, 1399204), (2860, 699602), (5720, 349801)]