189880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 440640

約数和(自身を除く): 250760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 101, 188, 202, 235, 376, 404, 470, 505, 808, 940, 1010, 1880, 2020, 4040, 4747, 9494, 18988, 23735, 37976, 47470, 94940, 189880]

約数ペア:

[(1, 189880), (2, 94940), (4, 47470), (5, 37976), (8, 23735), (10, 18988), (20, 9494), (40, 4747), (47, 4040), (94, 2020), (101, 1880), (188, 1010), (202, 940), (235, 808), (376, 505), (404, 470)]