90989500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{25997}}^1$

素因数の和:26023

約数の個数: 48

約数和(自身を含む): 227118528

約数和(自身を除く): 136129028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 25997, 51994, 103988, 129985, 181979, 259970, 363958, 519940, 649925, 727916, 909895, 1299850, 1819790, 2599700, 3249625, 3639580, 4549475, 6499250, 9098950, 12998500, 18197900, 22747375, 45494750, 90989500]

約数ペア:

[(1, 90989500), (2, 45494750), (4, 22747375), (5, 18197900), (7, 12998500), (10, 9098950), (14, 6499250), (20, 4549475), (25, 3639580), (28, 3249625), (35, 2599700), (50, 1819790), (70, 1299850), (100, 909895), (125, 727916), (140, 649925), (175, 519940), (250, 363958), (350, 259970), (500, 181979), (700, 129985), (875, 103988), (1750, 51994), (3500, 25997)]