426991520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2777}}^1$

素因数の和:2854

約数の個数: 72

約数和(自身を含む): 1042733412

約数和(自身を除く): 615741892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1922, 2480, 2777, 3844, 4805, 4960, 5554, 7688, 9610, 11108, 13885, 15376, 19220, 22216, 27770, 30752, 38440, 44432, 55540, 76880, 86087, 88864, 111080, 153760, 172174, 222160, 344348, 430435, 444320, 688696, 860870, 1377392, 1721740, 2668697, 2754784, 3443480, 5337394, 6886960, 10674788, 13343485, 13773920, 21349576, 26686970, 42699152, 53373940, 85398304, 106747880, 213495760, 426991520]

約数ペア:

[(1, 426991520), (2, 213495760), (4, 106747880), (5, 85398304), (8, 53373940), (10, 42699152), (16, 26686970), (20, 21349576), (31, 13773920), (32, 13343485), (40, 10674788), (62, 6886960), (80, 5337394), (124, 3443480), (155, 2754784), (160, 2668697), (248, 1721740), (310, 1377392), (496, 860870), (620, 688696), (961, 444320), (992, 430435), (1240, 344348), (1922, 222160), (2480, 172174), (2777, 153760), (3844, 111080), (4805, 88864), (4960, 86087), (5554, 76880), (7688, 55540), (9610, 44432), (11108, 38440), (13885, 30752), (15376, 27770), (19220, 22216)]