28880810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 63141120

約数和(自身を除く): 34260310

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 41, 58, 70, 82, 145, 203, 205, 287, 290, 347, 406, 410, 574, 694, 1015, 1189, 1435, 1735, 2030, 2378, 2429, 2870, 3470, 4858, 5945, 8323, 10063, 11890, 12145, 14227, 16646, 20126, 24290, 28454, 41615, 50315, 70441, 71135, 83230, 99589, 100630, 140882, 142270, 199178, 352205, 412583, 497945, 704410, 825166, 995890, 2062915, 2888081, 4125830, 5776162, 14440405, 28880810]

約数ペア:

[(1, 28880810), (2, 14440405), (5, 5776162), (7, 4125830), (10, 2888081), (14, 2062915), (29, 995890), (35, 825166), (41, 704410), (58, 497945), (70, 412583), (82, 352205), (145, 199178), (203, 142270), (205, 140882), (287, 100630), (290, 99589), (347, 83230), (406, 71135), (410, 70441), (574, 50315), (694, 41615), (1015, 28454), (1189, 24290), (1435, 20126), (1735, 16646), (2030, 14227), (2378, 12145), (2429, 11890), (2870, 10063), (3470, 8323), (4858, 5945)]