86718940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56311}}^1$

素因数の和:56338

約数の個数: 48

約数和(自身を含む): 227049984

約数和(自身を除く): 140331044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 56311, 112622, 225244, 281555, 394177, 563110, 619421, 788354, 1126220, 1238842, 1576708, 1970885, 2477684, 3097105, 3941770, 4335947, 6194210, 7883540, 8671894, 12388420, 17343788, 21679735, 43359470, 86718940]

約数ペア:

[(1, 86718940), (2, 43359470), (4, 21679735), (5, 17343788), (7, 12388420), (10, 8671894), (11, 7883540), (14, 6194210), (20, 4335947), (22, 3941770), (28, 3097105), (35, 2477684), (44, 1970885), (55, 1576708), (70, 1238842), (77, 1126220), (110, 788354), (140, 619421), (154, 563110), (220, 394177), (308, 281555), (385, 225244), (770, 112622), (1540, 56311)]