86889880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28211}}^1$

素因数の和:28240

約数の個数: 64

約数和(自身を含む): 243751680

約数和(自身を除く): 156861800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 28211, 56422, 112844, 141055, 197477, 225688, 282110, 310321, 394954, 564220, 620642, 789908, 987385, 1128440, 1241284, 1551605, 1579816, 1974770, 2172247, 2482568, 3103210, 3949540, 4344494, 6206420, 7899080, 8688988, 10861235, 12412840, 17377976, 21722470, 43444940, 86889880]

約数ペア:

[(1, 86889880), (2, 43444940), (4, 21722470), (5, 17377976), (7, 12412840), (8, 10861235), (10, 8688988), (11, 7899080), (14, 6206420), (20, 4344494), (22, 3949540), (28, 3103210), (35, 2482568), (40, 2172247), (44, 1974770), (55, 1579816), (56, 1551605), (70, 1241284), (77, 1128440), (88, 987385), (110, 789908), (140, 620642), (154, 564220), (220, 394954), (280, 310321), (308, 282110), (385, 225688), (440, 197477), (616, 141055), (770, 112844), (1540, 56422), (3080, 28211)]