216400870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{75401}}^1$

素因数の和:75456

約数の個数: 32

約数和(自身を含む): 456031296

約数和(自身を除く): 239630426

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 75401, 150802, 377005, 527807, 754010, 1055614, 2639035, 3091441, 5278070, 6182882, 15457205, 21640087, 30914410, 43280174, 108200435, 216400870]

約数ペア:

[(1, 216400870), (2, 108200435), (5, 43280174), (7, 30914410), (10, 21640087), (14, 15457205), (35, 6182882), (41, 5278070), (70, 3091441), (82, 2639035), (205, 1055614), (287, 754010), (410, 527807), (574, 377005), (1435, 150802), (2870, 75401)]