218330980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{33181}}^1$

素因数の和:33244

約数の個数: 48

約数和(自身を含む): 535159296

約数和(自身を除く): 316828316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 33181, 66362, 132724, 165905, 232267, 331810, 464534, 663620, 929068, 1161335, 1559507, 2322670, 3119014, 4645340, 6238028, 7797535, 10916549, 15595070, 21833098, 31190140, 43666196, 54582745, 109165490, 218330980]

約数ペア:

[(1, 218330980), (2, 109165490), (4, 54582745), (5, 43666196), (7, 31190140), (10, 21833098), (14, 15595070), (20, 10916549), (28, 7797535), (35, 6238028), (47, 4645340), (70, 3119014), (94, 2322670), (140, 1559507), (188, 1161335), (235, 929068), (329, 663620), (470, 464534), (658, 331810), (940, 232267), (1316, 165905), (1645, 132724), (3290, 66362), (6580, 33181)]