1784793040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{1847}}^1$

素因数の和:2164

約数の個数: 80

約数和(自身を含む): 4256727552

約数和(自身を除く): 2471934512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 257, 376, 470, 514, 752, 940, 1028, 1285, 1847, 1880, 2056, 2570, 3694, 3760, 4112, 5140, 7388, 9235, 10280, 12079, 14776, 18470, 20560, 24158, 29552, 36940, 48316, 60395, 73880, 86809, 96632, 120790, 147760, 173618, 193264, 241580, 347236, 434045, 474679, 483160, 694472, 868090, 949358, 966320, 1388944, 1736180, 1898716, 2373395, 3472360, 3797432, 4746790, 6944720, 7594864, 9493580, 18987160, 22309913, 37974320, 44619826, 89239652, 111549565, 178479304, 223099130, 356958608, 446198260, 892396520, 1784793040]

約数ペア:

[(1, 1784793040), (2, 892396520), (4, 446198260), (5, 356958608), (8, 223099130), (10, 178479304), (16, 111549565), (20, 89239652), (40, 44619826), (47, 37974320), (80, 22309913), (94, 18987160), (188, 9493580), (235, 7594864), (257, 6944720), (376, 4746790), (470, 3797432), (514, 3472360), (752, 2373395), (940, 1898716), (1028, 1736180), (1285, 1388944), (1847, 966320), (1880, 949358), (2056, 868090), (2570, 694472), (3694, 483160), (3760, 474679), (4112, 434045), (5140, 347236), (7388, 241580), (9235, 193264), (10280, 173618), (12079, 147760), (14776, 120790), (18470, 96632), (20560, 86809), (24158, 73880), (29552, 60395), (36940, 48316)]