209957950

素因数分解:

$2^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{27809}}^1$

素因数の和:27972

約数の個数: 24

約数和(自身を含む): 393122160

約数和(自身を除く): 183164210

約数列:

[1, 2, 5, 10, 25, 50, 151, 302, 755, 1510, 3775, 7550, 27809, 55618, 139045, 278090, 695225, 1390450, 4199159, 8398318, 20995795, 41991590, 104978975, 209957950]

約数ペア:

[(1, 209957950), (2, 104978975), (5, 41991590), (10, 20995795), (25, 8398318), (50, 4199159), (151, 1390450), (302, 695225), (755, 278090), (1510, 139045), (3775, 55618), (7550, 27809)]