201663210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2281}}^1$

素因数の和:2719

約数の個数: 64

約数和(自身を含む): 554690304

約数和(自身を除く): 353027094

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 421, 842, 1263, 2105, 2281, 2526, 2947, 4210, 4562, 5894, 6315, 6843, 8841, 11405, 12630, 13686, 14735, 15967, 17682, 22810, 29470, 31934, 34215, 44205, 47901, 68430, 79835, 88410, 95802, 159670, 239505, 479010, 960301, 1920602, 2880903, 4801505, 5761806, 6722107, 9603010, 13444214, 14404515, 20166321, 28809030, 33610535, 40332642, 67221070, 100831605, 201663210]

約数ペア:

[(1, 201663210), (2, 100831605), (3, 67221070), (5, 40332642), (6, 33610535), (7, 28809030), (10, 20166321), (14, 14404515), (15, 13444214), (21, 9603010), (30, 6722107), (35, 5761806), (42, 4801505), (70, 2880903), (105, 1920602), (210, 960301), (421, 479010), (842, 239505), (1263, 159670), (2105, 95802), (2281, 88410), (2526, 79835), (2947, 68430), (4210, 47901), (4562, 44205), (5894, 34215), (6315, 31934), (6843, 29470), (8841, 22810), (11405, 17682), (12630, 15967), (13686, 14735)]