814660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2$

素因数の和:73

約数の個数: 72

約数和(自身を含む): 2229696

約数和(自身を除く): 1415036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 529, 644, 770, 805, 1012, 1058, 1265, 1540, 1610, 1771, 2116, 2530, 2645, 3220, 3542, 3703, 5060, 5290, 5819, 7084, 7406, 8855, 10580, 11638, 14812, 17710, 18515, 23276, 29095, 35420, 37030, 40733, 58190, 74060, 81466, 116380, 162932, 203665, 407330, 814660]

約数ペア:

[(1, 814660), (2, 407330), (4, 203665), (5, 162932), (7, 116380), (10, 81466), (11, 74060), (14, 58190), (20, 40733), (22, 37030), (23, 35420), (28, 29095), (35, 23276), (44, 18515), (46, 17710), (55, 14812), (70, 11638), (77, 10580), (92, 8855), (110, 7406), (115, 7084), (140, 5819), (154, 5290), (161, 5060), (220, 3703), (230, 3542), (253, 3220), (308, 2645), (322, 2530), (385, 2116), (460, 1771), (506, 1610), (529, 1540), (644, 1265), (770, 1058), (805, 1012)]