212940760

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{27583}}^1$

素因数の和:27787

約数の個数: 32

約数和(自身を含む): 481616640

約数和(自身を除く): 268675880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 27583, 55166, 110332, 137915, 220664, 275830, 551660, 1103320, 5323519, 10647038, 21294076, 26617595, 42588152, 53235190, 106470380, 212940760]

約数ペア:

[(1, 212940760), (2, 106470380), (4, 53235190), (5, 42588152), (8, 26617595), (10, 21294076), (20, 10647038), (40, 5323519), (193, 1103320), (386, 551660), (772, 275830), (965, 220664), (1544, 137915), (1930, 110332), (3860, 55166), (7720, 27583)]