9977870

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{2909}}^1$

素因数の和:2937

約数の個数: 32

約数和(自身を含む): 20952000

約数和(自身を除く): 10974130

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 2909, 3430, 5818, 14545, 20363, 29090, 40726, 101815, 142541, 203630, 285082, 712705, 997787, 1425410, 1995574, 4988935, 9977870]

約数ペア:

[(1, 9977870), (2, 4988935), (5, 1995574), (7, 1425410), (10, 997787), (14, 712705), (35, 285082), (49, 203630), (70, 142541), (98, 101815), (245, 40726), (343, 29090), (490, 20363), (686, 14545), (1715, 5818), (2909, 3430)]