85715000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 239923200

約数和(自身を除く): 154208200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 79, 100, 124, 125, 140, 155, 158, 175, 200, 217, 248, 250, 280, 310, 316, 350, 395, 434, 500, 553, 620, 625, 632, 700, 775, 790, 868, 875, 1000, 1085, 1106, 1240, 1250, 1400, 1550, 1580, 1736, 1750, 1975, 2170, 2212, 2449, 2500, 2765, 3100, 3160, 3500, 3875, 3950, 4340, 4375, 4424, 4898, 5000, 5425, 5530, 6200, 7000, 7750, 7900, 8680, 8750, 9796, 9875, 10850, 11060, 12245, 13825, 15500, 15800, 17143, 17500, 19375, 19592, 19750, 21700, 22120, 24490, 27125, 27650, 31000, 34286, 35000, 38750, 39500, 43400, 48980, 49375, 54250, 55300, 61225, 68572, 69125, 77500, 79000, 85715, 97960, 98750, 108500, 110600, 122450, 135625, 137144, 138250, 155000, 171430, 197500, 217000, 244900, 271250, 276500, 306125, 342860, 345625, 395000, 428575, 489800, 542500, 553000, 612250, 685720, 691250, 857150, 1085000, 1224500, 1382500, 1530625, 1714300, 2142875, 2449000, 2765000, 3061250, 3428600, 4285750, 6122500, 8571500, 10714375, 12245000, 17143000, 21428750, 42857500, 85715000]

約数ペア:

[(1, 85715000), (2, 42857500), (4, 21428750), (5, 17143000), (7, 12245000), (8, 10714375), (10, 8571500), (14, 6122500), (20, 4285750), (25, 3428600), (28, 3061250), (31, 2765000), (35, 2449000), (40, 2142875), (50, 1714300), (56, 1530625), (62, 1382500), (70, 1224500), (79, 1085000), (100, 857150), (124, 691250), (125, 685720), (140, 612250), (155, 553000), (158, 542500), (175, 489800), (200, 428575), (217, 395000), (248, 345625), (250, 342860), (280, 306125), (310, 276500), (316, 271250), (350, 244900), (395, 217000), (434, 197500), (500, 171430), (553, 155000), (620, 138250), (625, 137144), (632, 135625), (700, 122450), (775, 110600), (790, 108500), (868, 98750), (875, 97960), (1000, 85715), (1085, 79000), (1106, 77500), (1240, 69125), (1250, 68572), (1400, 61225), (1550, 55300), (1580, 54250), (1736, 49375), (1750, 48980), (1975, 43400), (2170, 39500), (2212, 38750), (2449, 35000), (2500, 34286), (2765, 31000), (3100, 27650), (3160, 27125), (3500, 24490), (3875, 22120), (3950, 21700), (4340, 19750), (4375, 19592), (4424, 19375), (4898, 17500), (5000, 17143), (5425, 15800), (5530, 15500), (6200, 13825), (7000, 12245), (7750, 11060), (7900, 10850), (8680, 9875), (8750, 9796)]