78331000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7121}}^1$

素因数の和:7153

約数の個数: 64

約数和(自身を含む): 199985760

約数和(自身を除く): 121654760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 2200, 2750, 5500, 7121, 11000, 14242, 28484, 35605, 56968, 71210, 78331, 142420, 156662, 178025, 284840, 313324, 356050, 391655, 626648, 712100, 783310, 890125, 1424200, 1566620, 1780250, 1958275, 3133240, 3560500, 3916550, 7121000, 7833100, 9791375, 15666200, 19582750, 39165500, 78331000]

約数ペア:

[(1, 78331000), (2, 39165500), (4, 19582750), (5, 15666200), (8, 9791375), (10, 7833100), (11, 7121000), (20, 3916550), (22, 3560500), (25, 3133240), (40, 1958275), (44, 1780250), (50, 1566620), (55, 1424200), (88, 890125), (100, 783310), (110, 712100), (125, 626648), (200, 391655), (220, 356050), (250, 313324), (275, 284840), (440, 178025), (500, 156662), (550, 142420), (1000, 78331), (1100, 71210), (1375, 56968), (2200, 35605), (2750, 28484), (5500, 14242), (7121, 11000)]