123281060

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17971}}^1$

素因数の和:18001

約数の個数: 48

約数和(自身を含む): 301929600

約数和(自身を除く): 178648540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 17971, 35942, 71884, 89855, 125797, 179710, 251594, 359420, 503188, 628985, 880579, 1257970, 1761158, 2515940, 3522316, 4402895, 6164053, 8805790, 12328106, 17611580, 24656212, 30820265, 61640530, 123281060]

約数ペア:

[(1, 123281060), (2, 61640530), (4, 30820265), (5, 24656212), (7, 17611580), (10, 12328106), (14, 8805790), (20, 6164053), (28, 4402895), (35, 3522316), (49, 2515940), (70, 1761158), (98, 1257970), (140, 880579), (196, 628985), (245, 503188), (343, 359420), (490, 251594), (686, 179710), (980, 125797), (1372, 89855), (1715, 71884), (3430, 35942), (6860, 17971)]