128789500

素因数分解:

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

素因数の和:1244

約数の個数: 96

約数和(自身を含む): 332107776

約数和(自身を除く): 203318276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 125, 140, 155, 175, 217, 250, 310, 350, 434, 500, 620, 700, 775, 868, 875, 1085, 1187, 1550, 1750, 2170, 2374, 3100, 3500, 3875, 4340, 4748, 5425, 5935, 7750, 8309, 10850, 11870, 15500, 16618, 21700, 23740, 27125, 29675, 33236, 36797, 41545, 54250, 59350, 73594, 83090, 108500, 118700, 147188, 148375, 166180, 183985, 207725, 257579, 296750, 367970, 415450, 515158, 593500, 735940, 830900, 919925, 1030316, 1038625, 1287895, 1839850, 2077250, 2575790, 3679700, 4154500, 4599625, 5151580, 6439475, 9199250, 12878950, 18398500, 25757900, 32197375, 64394750, 128789500]

約数ペア:

[(1, 128789500), (2, 64394750), (4, 32197375), (5, 25757900), (7, 18398500), (10, 12878950), (14, 9199250), (20, 6439475), (25, 5151580), (28, 4599625), (31, 4154500), (35, 3679700), (50, 2575790), (62, 2077250), (70, 1839850), (100, 1287895), (124, 1038625), (125, 1030316), (140, 919925), (155, 830900), (175, 735940), (217, 593500), (250, 515158), (310, 415450), (350, 367970), (434, 296750), (500, 257579), (620, 207725), (700, 183985), (775, 166180), (868, 148375), (875, 147188), (1085, 118700), (1187, 108500), (1550, 83090), (1750, 73594), (2170, 59350), (2374, 54250), (3100, 41545), (3500, 36797), (3875, 33236), (4340, 29675), (4748, 27125), (5425, 23740), (5935, 21700), (7750, 16618), (8309, 15500), (10850, 11870)]