2850820

素因数分解:

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

素因数の和:2932

約数の個数: 36

約数和(自身を含む): 6966540

約数和(自身を除く): 4115720

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2909, 5818, 11636, 14545, 20363, 29090, 40726, 58180, 81452, 101815, 142541, 203630, 285082, 407260, 570164, 712705, 1425410, 2850820]

約数ペア:

[(1, 2850820), (2, 1425410), (4, 712705), (5, 570164), (7, 407260), (10, 285082), (14, 203630), (20, 142541), (28, 101815), (35, 81452), (49, 58180), (70, 40726), (98, 29090), (140, 20363), (196, 14545), (245, 11636), (490, 5818), (980, 2909)]