211198120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{754279}}^1$

素因数の和:754297

約数の個数: 32

約数和(自身を含む): 543081600

約数和(自身を除く): 331883480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 754279, 1508558, 3017116, 3771395, 5279953, 6034232, 7542790, 10559906, 15085580, 21119812, 26399765, 30171160, 42239624, 52799530, 105599060, 211198120]

約数ペア:

[(1, 211198120), (2, 105599060), (4, 52799530), (5, 42239624), (7, 30171160), (8, 26399765), (10, 21119812), (14, 15085580), (20, 10559906), (28, 7542790), (35, 6034232), (40, 5279953), (56, 3771395), (70, 3017116), (140, 1508558), (280, 754279)]