207100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 477400

約数和(自身を除く): 270300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 190, 218, 380, 436, 475, 545, 950, 1090, 1900, 2071, 2180, 2725, 4142, 5450, 8284, 10355, 10900, 20710, 41420, 51775, 103550, 207100]

約数ペア:

[(1, 207100), (2, 103550), (4, 51775), (5, 41420), (10, 20710), (19, 10900), (20, 10355), (25, 8284), (38, 5450), (50, 4142), (76, 2725), (95, 2180), (100, 2071), (109, 1900), (190, 1090), (218, 950), (380, 545), (436, 475)]