189589240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{463}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 443491200

約数和(自身を除く): 253901960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 353, 463, 580, 706, 926, 1160, 1412, 1765, 1852, 2315, 2824, 3530, 3704, 4630, 7060, 9260, 10237, 13427, 14120, 18520, 20474, 26854, 40948, 51185, 53708, 67135, 81896, 102370, 107416, 134270, 163439, 204740, 268540, 326878, 409480, 537080, 653756, 817195, 1307512, 1634390, 3268780, 4739731, 6537560, 9479462, 18958924, 23698655, 37917848, 47397310, 94794620, 189589240]

約数ペア:

[(1, 189589240), (2, 94794620), (4, 47397310), (5, 37917848), (8, 23698655), (10, 18958924), (20, 9479462), (29, 6537560), (40, 4739731), (58, 3268780), (116, 1634390), (145, 1307512), (232, 817195), (290, 653756), (353, 537080), (463, 409480), (580, 326878), (706, 268540), (926, 204740), (1160, 163439), (1412, 134270), (1765, 107416), (1852, 102370), (2315, 81896), (2824, 67135), (3530, 53708), (3704, 51185), (4630, 40948), (7060, 26854), (9260, 20474), (10237, 18520), (13427, 14120)]