196577220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{66863}}^1$

素因数の和:66889

約数の個数: 72

約数和(自身を含む): 640289664

約数和(自身を除く): 443712444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 66863, 133726, 200589, 267452, 334315, 401178, 468041, 668630, 802356, 936082, 1002945, 1337260, 1404123, 1872164, 2005890, 2340205, 2808246, 3276287, 4011780, 4680410, 5616492, 6552574, 7020615, 9360820, 9828861, 13105148, 14041230, 16381435, 19657722, 28082460, 32762870, 39315444, 49144305, 65525740, 98288610, 196577220]

約数ペア:

[(1, 196577220), (2, 98288610), (3, 65525740), (4, 49144305), (5, 39315444), (6, 32762870), (7, 28082460), (10, 19657722), (12, 16381435), (14, 14041230), (15, 13105148), (20, 9828861), (21, 9360820), (28, 7020615), (30, 6552574), (35, 5616492), (42, 4680410), (49, 4011780), (60, 3276287), (70, 2808246), (84, 2340205), (98, 2005890), (105, 1872164), (140, 1404123), (147, 1337260), (196, 1002945), (210, 936082), (245, 802356), (294, 668630), (420, 468041), (490, 401178), (588, 334315), (735, 267452), (980, 200589), (1470, 133726), (2940, 66863)]