189844020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{351563}}^1$

素因数の和:351581

約数の個数: 48

約数和(自身を含む): 590627520

約数和(自身を除く): 400783500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 351563, 703126, 1054689, 1406252, 1757815, 2109378, 3164067, 3515630, 4218756, 5273445, 6328134, 7031260, 9492201, 10546890, 12656268, 15820335, 18984402, 21093780, 31640670, 37968804, 47461005, 63281340, 94922010, 189844020]

約数ペア:

[(1, 189844020), (2, 94922010), (3, 63281340), (4, 47461005), (5, 37968804), (6, 31640670), (9, 21093780), (10, 18984402), (12, 15820335), (15, 12656268), (18, 10546890), (20, 9492201), (27, 7031260), (30, 6328134), (36, 5273445), (45, 4218756), (54, 3515630), (60, 3164067), (90, 2109378), (108, 1757815), (135, 1406252), (180, 1054689), (270, 703126), (540, 351563)]