140663480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{74821}}^1$

素因数の和:74879

約数の個数: 32

約数和(自身を含む): 323231040

約数和(自身を除く): 182567560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 74821, 149642, 299284, 374105, 598568, 748210, 1496420, 2992840, 3516587, 7033174, 14066348, 17582935, 28132696, 35165870, 70331740, 140663480]

約数ペア:

[(1, 140663480), (2, 70331740), (4, 35165870), (5, 28132696), (8, 17582935), (10, 14066348), (20, 7033174), (40, 3516587), (47, 2992840), (94, 1496420), (188, 748210), (235, 598568), (376, 374105), (470, 299284), (940, 149642), (1880, 74821)]