2180168

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 4320000

約数和(自身を除く): 2139832

約数列:

[1, 2, 4, 8, 31, 59, 62, 118, 124, 149, 236, 248, 298, 472, 596, 1192, 1829, 3658, 4619, 7316, 8791, 9238, 14632, 17582, 18476, 35164, 36952, 70328, 272521, 545042, 1090084, 2180168]

約数ペア:

[(1, 2180168), (2, 1090084), (4, 545042), (8, 272521), (31, 70328), (59, 36952), (62, 35164), (118, 18476), (124, 17582), (149, 14632), (236, 9238), (248, 8791), (298, 7316), (472, 4619), (596, 3658), (1192, 1829)]