78691060

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11471}}^1$

素因数の和:11501

約数の個数: 48

約数和(自身を含む): 192729600

約数和(自身を除く): 114038540

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, 11471, 22942, 45884, 57355, 80297, 114710, 160594, 229420, 321188, 401485, 562079, 802970, 1124158, 1605940, 2248316, 2810395, 3934553, 5620790, 7869106, 11241580, 15738212, 19672765, 39345530, 78691060]

約数ペア:

[(1, 78691060), (2, 39345530), (4, 19672765), (5, 15738212), (7, 11241580), (10, 7869106), (14, 5620790), (20, 3934553), (28, 2810395), (35, 2248316), (49, 1605940), (70, 1124158), (98, 802970), (140, 562079), (196, 401485), (245, 321188), (343, 229420), (490, 160594), (686, 114710), (980, 80297), (1372, 57355), (1715, 45884), (3430, 22942), (6860, 11471)]