389266225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{3371}}^1$

素因数の和:3561

約数の個数: 24

約数和(自身を含む): 501753600

約数和(自身を除く): 112487375

約数列:

[1, 5, 25, 31, 149, 155, 745, 775, 3371, 3725, 4619, 16855, 23095, 84275, 104501, 115475, 502279, 522505, 2511395, 2612525, 12556975, 15570649, 77853245, 389266225]

約数ペア:

[(1, 389266225), (5, 77853245), (25, 15570649), (31, 12556975), (149, 2612525), (155, 2511395), (745, 522505), (775, 502279), (3371, 115475), (3725, 104501), (4619, 84275), (16855, 23095)]