31304840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4861}}^1$

素因数の和:4902

約数の個数: 64

約数和(自身を含む): 84015360

約数和(自身を除く): 52710520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4861, 6440, 9722, 19444, 24305, 34027, 38888, 48610, 68054, 97220, 111803, 136108, 170135, 194440, 223606, 272216, 340270, 447212, 559015, 680540, 782621, 894424, 1118030, 1361080, 1565242, 2236060, 3130484, 3913105, 4472120, 6260968, 7826210, 15652420, 31304840]

約数ペア:

[(1, 31304840), (2, 15652420), (4, 7826210), (5, 6260968), (7, 4472120), (8, 3913105), (10, 3130484), (14, 2236060), (20, 1565242), (23, 1361080), (28, 1118030), (35, 894424), (40, 782621), (46, 680540), (56, 559015), (70, 447212), (92, 340270), (115, 272216), (140, 223606), (161, 194440), (184, 170135), (230, 136108), (280, 111803), (322, 97220), (460, 68054), (644, 48610), (805, 38888), (920, 34027), (1288, 24305), (1610, 19444), (3220, 9722), (4861, 6440)]