388380640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{142787}}^1$

素因数の和:142819

約数の個数: 48

約数和(自身を含む): 971529552

約数和(自身を除く): 583148912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 142787, 285574, 571148, 713935, 1142296, 1427870, 2284592, 2427379, 2855740, 4569184, 4854758, 5711480, 9709516, 11422960, 12136895, 19419032, 22845920, 24273790, 38838064, 48547580, 77676128, 97095160, 194190320, 388380640]

約数ペア:

[(1, 388380640), (2, 194190320), (4, 97095160), (5, 77676128), (8, 48547580), (10, 38838064), (16, 24273790), (17, 22845920), (20, 19419032), (32, 12136895), (34, 11422960), (40, 9709516), (68, 5711480), (80, 4854758), (85, 4569184), (136, 2855740), (160, 2427379), (170, 2284592), (272, 1427870), (340, 1142296), (544, 713935), (680, 571148), (1360, 285574), (2720, 142787)]