64394750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 142331904

約数和(自身を除く): 77937154

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 125, 155, 175, 217, 250, 310, 350, 434, 775, 875, 1085, 1187, 1550, 1750, 2170, 2374, 3875, 5425, 5935, 7750, 8309, 10850, 11870, 16618, 27125, 29675, 36797, 41545, 54250, 59350, 73594, 83090, 148375, 183985, 207725, 257579, 296750, 367970, 415450, 515158, 919925, 1038625, 1287895, 1839850, 2077250, 2575790, 4599625, 6439475, 9199250, 12878950, 32197375, 64394750]

約数ペア:

[(1, 64394750), (2, 32197375), (5, 12878950), (7, 9199250), (10, 6439475), (14, 4599625), (25, 2575790), (31, 2077250), (35, 1839850), (50, 1287895), (62, 1038625), (70, 919925), (125, 515158), (155, 415450), (175, 367970), (217, 296750), (250, 257579), (310, 207725), (350, 183985), (434, 148375), (775, 83090), (875, 73594), (1085, 59350), (1187, 54250), (1550, 41545), (1750, 36797), (2170, 29675), (2374, 27125), (3875, 16618), (5425, 11870), (5935, 10850), (7750, 8309)]