69994120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{547}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 180708480

約数和(自身を除く): 110714360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 457, 547, 914, 1094, 1828, 2188, 2285, 2735, 3199, 3656, 3829, 4376, 4570, 5470, 6398, 7658, 9140, 10940, 12796, 15316, 15995, 18280, 19145, 21880, 25592, 30632, 31990, 38290, 63980, 76580, 127960, 153160, 249979, 499958, 999916, 1249895, 1749853, 1999832, 2499790, 3499706, 4999580, 6999412, 8749265, 9999160, 13998824, 17498530, 34997060, 69994120]

約数ペア:

[(1, 69994120), (2, 34997060), (4, 17498530), (5, 13998824), (7, 9999160), (8, 8749265), (10, 6999412), (14, 4999580), (20, 3499706), (28, 2499790), (35, 1999832), (40, 1749853), (56, 1249895), (70, 999916), (140, 499958), (280, 249979), (457, 153160), (547, 127960), (914, 76580), (1094, 63980), (1828, 38290), (2188, 31990), (2285, 30632), (2735, 25592), (3199, 21880), (3656, 19145), (3829, 18280), (4376, 15995), (4570, 15316), (5470, 12796), (6398, 10940), (7658, 9140)]