90856220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49921}}^1$

素因数の和:49950

約数の個数: 48

約数和(自身を含む): 234833088

約数和(自身を除く): 143976868

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 49921, 99842, 199684, 249605, 349447, 499210, 648973, 698894, 998420, 1297946, 1397788, 1747235, 2595892, 3244865, 3494470, 4542811, 6489730, 6988940, 9085622, 12979460, 18171244, 22714055, 45428110, 90856220]

約数ペア:

[(1, 90856220), (2, 45428110), (4, 22714055), (5, 18171244), (7, 12979460), (10, 9085622), (13, 6988940), (14, 6489730), (20, 4542811), (26, 3494470), (28, 3244865), (35, 2595892), (52, 1747235), (65, 1397788), (70, 1297946), (91, 998420), (130, 698894), (140, 648973), (182, 499210), (260, 349447), (364, 249605), (455, 199684), (910, 99842), (1820, 49921)]