8659280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^2$

素因数の和:121

約数の個数: 90

約数和(自身を含む): 23928714

約数和(自身を除く): 15269434

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 188, 196, 235, 245, 280, 329, 376, 392, 470, 490, 560, 658, 752, 784, 940, 980, 1316, 1645, 1880, 1960, 2209, 2303, 2632, 3290, 3760, 3920, 4418, 4606, 5264, 6580, 8836, 9212, 11045, 11515, 13160, 15463, 17672, 18424, 22090, 23030, 26320, 30926, 35344, 36848, 44180, 46060, 61852, 77315, 88360, 92120, 108241, 123704, 154630, 176720, 184240, 216482, 247408, 309260, 432964, 541205, 618520, 865928, 1082410, 1237040, 1731856, 2164820, 4329640, 8659280]

約数ペア:

[(1, 8659280), (2, 4329640), (4, 2164820), (5, 1731856), (7, 1237040), (8, 1082410), (10, 865928), (14, 618520), (16, 541205), (20, 432964), (28, 309260), (35, 247408), (40, 216482), (47, 184240), (49, 176720), (56, 154630), (70, 123704), (80, 108241), (94, 92120), (98, 88360), (112, 77315), (140, 61852), (188, 46060), (196, 44180), (235, 36848), (245, 35344), (280, 30926), (329, 26320), (376, 23030), (392, 22090), (470, 18424), (490, 17672), (560, 15463), (658, 13160), (752, 11515), (784, 11045), (940, 9212), (980, 8836), (1316, 6580), (1645, 5264), (1880, 4606), (1960, 4418), (2209, 3920), (2303, 3760), (2632, 3290)]