2856140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 7160832

約数和(自身を除く): 4304692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 887, 1610, 1774, 3220, 3548, 4435, 6209, 8870, 12418, 17740, 20401, 24836, 31045, 40802, 62090, 81604, 102005, 124180, 142807, 204010, 285614, 408020, 571228, 714035, 1428070, 2856140]

約数ペア:

[(1, 2856140), (2, 1428070), (4, 714035), (5, 571228), (7, 408020), (10, 285614), (14, 204010), (20, 142807), (23, 124180), (28, 102005), (35, 81604), (46, 62090), (70, 40802), (92, 31045), (115, 24836), (140, 20401), (161, 17740), (230, 12418), (322, 8870), (460, 6209), (644, 4435), (805, 3548), (887, 3220), (1610, 1774)]