216409340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{5501}}^1$

素因数の和:5798

約数の個数: 48

約数和(自身を含む): 521325504

約数和(自身を除く): 304916164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1405, 1967, 2810, 3934, 5501, 5620, 7868, 9835, 11002, 19670, 22004, 27505, 38507, 39340, 55010, 77014, 110020, 154028, 192535, 385070, 770140, 1545781, 3091562, 6183124, 7728905, 10820467, 15457810, 21640934, 30915620, 43281868, 54102335, 108204670, 216409340]

約数ペア:

[(1, 216409340), (2, 108204670), (4, 54102335), (5, 43281868), (7, 30915620), (10, 21640934), (14, 15457810), (20, 10820467), (28, 7728905), (35, 6183124), (70, 3091562), (140, 1545781), (281, 770140), (562, 385070), (1124, 192535), (1405, 154028), (1967, 110020), (2810, 77014), (3934, 55010), (5501, 39340), (5620, 38507), (7868, 27505), (9835, 22004), (11002, 19670)]