138663160

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73757}}^1$

素因数の和:73815

約数の個数: 32

約数和(自身を含む): 318634560

約数和(自身を除く): 179971400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 73757, 147514, 295028, 368785, 590056, 737570, 1475140, 2950280, 3466579, 6933158, 13866316, 17332895, 27732632, 34665790, 69331580, 138663160]

約数ペア:

[(1, 138663160), (2, 69331580), (4, 34665790), (5, 27732632), (8, 17332895), (10, 13866316), (20, 6933158), (40, 3466579), (47, 2950280), (94, 1475140), (188, 737570), (235, 590056), (376, 368785), (470, 295028), (940, 147514), (1880, 73757)]