210512020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32587}}^1$

素因数の和:32632

約数の個数: 48

約数和(自身を含む): 492730560

約数和(自身を除く): 282218540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 32587, 65174, 130348, 162935, 325870, 553979, 619153, 651740, 1107958, 1238306, 2215916, 2476612, 2769895, 3095765, 5539790, 6191530, 10525601, 11079580, 12383060, 21051202, 42102404, 52628005, 105256010, 210512020]

約数ペア:

[(1, 210512020), (2, 105256010), (4, 52628005), (5, 42102404), (10, 21051202), (17, 12383060), (19, 11079580), (20, 10525601), (34, 6191530), (38, 5539790), (68, 3095765), (76, 2769895), (85, 2476612), (95, 2215916), (170, 1238306), (190, 1107958), (323, 651740), (340, 619153), (380, 553979), (646, 325870), (1292, 162935), (1615, 130348), (3230, 65174), (6460, 32587)]