31089700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{16363}}^1$

素因数の和:16396

約数の個数: 36

約数和(自身を含む): 71019760

約数和(自身を除く): 39930060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 16363, 32726, 65452, 81815, 163630, 310897, 327260, 409075, 621794, 818150, 1243588, 1554485, 1636300, 3108970, 6217940, 7772425, 15544850, 31089700]

約数ペア:

[(1, 31089700), (2, 15544850), (4, 7772425), (5, 6217940), (10, 3108970), (19, 1636300), (20, 1554485), (25, 1243588), (38, 818150), (50, 621794), (76, 409075), (95, 327260), (100, 310897), (190, 163630), (380, 81815), (475, 65452), (950, 32726), (1900, 16363)]