2984120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 6829920

約数和(自身を除く): 3845800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1223, 2440, 2446, 4892, 6115, 9784, 12230, 24460, 48920, 74603, 149206, 298412, 373015, 596824, 746030, 1492060, 2984120]

約数ペア:

[(1, 2984120), (2, 1492060), (4, 746030), (5, 596824), (8, 373015), (10, 298412), (20, 149206), (40, 74603), (61, 48920), (122, 24460), (244, 12230), (305, 9784), (488, 6115), (610, 4892), (1220, 2446), (1223, 2440)]