7431620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 18036480

約数和(自身を除く): 10604860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 487, 545, 763, 974, 1090, 1526, 1948, 2180, 2435, 3052, 3409, 3815, 4870, 6818, 7630, 9740, 13636, 15260, 17045, 34090, 53083, 68180, 106166, 212332, 265415, 371581, 530830, 743162, 1061660, 1486324, 1857905, 3715810, 7431620]

約数ペア:

[(1, 7431620), (2, 3715810), (4, 1857905), (5, 1486324), (7, 1061660), (10, 743162), (14, 530830), (20, 371581), (28, 265415), (35, 212332), (70, 106166), (109, 68180), (140, 53083), (218, 34090), (436, 17045), (487, 15260), (545, 13636), (763, 9740), (974, 7630), (1090, 6818), (1526, 4870), (1948, 3815), (2180, 3409), (2435, 3052)]