189950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:172

約数の個数: 24

約数和(自身を含む): 368280

約数和(自身を除く): 178330

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 131, 145, 262, 290, 655, 725, 1310, 1450, 3275, 3799, 6550, 7598, 18995, 37990, 94975, 189950]

約数ペア:

[(1, 189950), (2, 94975), (5, 37990), (10, 18995), (25, 7598), (29, 6550), (50, 3799), (58, 3275), (131, 1450), (145, 1310), (262, 725), (290, 655)]