221483500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{63281}}^1$

素因数の和:63307

約数の個数: 48

約数和(自身を含む): 552831552

約数和(自身を除く): 331348052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 63281, 126562, 253124, 316405, 442967, 632810, 885934, 1265620, 1582025, 1771868, 2214835, 3164050, 4429670, 6328100, 7910125, 8859340, 11074175, 15820250, 22148350, 31640500, 44296700, 55370875, 110741750, 221483500]

約数ペア:

[(1, 221483500), (2, 110741750), (4, 55370875), (5, 44296700), (7, 31640500), (10, 22148350), (14, 15820250), (20, 11074175), (25, 8859340), (28, 7910125), (35, 6328100), (50, 4429670), (70, 3164050), (100, 2214835), (125, 1771868), (140, 1582025), (175, 1265620), (250, 885934), (350, 632810), (500, 442967), (700, 316405), (875, 253124), (1750, 126562), (3500, 63281)]