79219280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{2887}}^1$

素因数の和:2921

約数の個数: 80

約数和(自身を含む): 214867200

約数和(自身を除く): 135647920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 2887, 3430, 3920, 5488, 5774, 6860, 11548, 13720, 14435, 20209, 23096, 27440, 28870, 40418, 46192, 57740, 80836, 101045, 115480, 141463, 161672, 202090, 230960, 282926, 323344, 404180, 565852, 707315, 808360, 990241, 1131704, 1414630, 1616720, 1980482, 2263408, 2829260, 3960964, 4951205, 5658520, 7921928, 9902410, 11317040, 15843856, 19804820, 39609640, 79219280]

約数ペア:

[(1, 79219280), (2, 39609640), (4, 19804820), (5, 15843856), (7, 11317040), (8, 9902410), (10, 7921928), (14, 5658520), (16, 4951205), (20, 3960964), (28, 2829260), (35, 2263408), (40, 1980482), (49, 1616720), (56, 1414630), (70, 1131704), (80, 990241), (98, 808360), (112, 707315), (140, 565852), (196, 404180), (245, 323344), (280, 282926), (343, 230960), (392, 202090), (490, 161672), (560, 141463), (686, 115480), (784, 101045), (980, 80836), (1372, 57740), (1715, 46192), (1960, 40418), (2744, 28870), (2887, 27440), (3430, 23096), (3920, 20209), (5488, 14435), (5774, 13720), (6860, 11548)]