2019010000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{28843}}^1$

素因数の和:28878

約数の個数: 100

約数和(自身を含む): 5586736672

約数和(自身を除く): 3567726672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 625, 700, 875, 1000, 1250, 1400, 1750, 2000, 2500, 2800, 3500, 4375, 5000, 7000, 8750, 10000, 14000, 17500, 28843, 35000, 57686, 70000, 115372, 144215, 201901, 230744, 288430, 403802, 461488, 576860, 721075, 807604, 1009505, 1153720, 1442150, 1615208, 2019010, 2307440, 2884300, 3230416, 3605375, 4038020, 5047525, 5768600, 7210750, 8076040, 10095050, 11537200, 14421500, 16152080, 18026875, 20190100, 25237625, 28843000, 36053750, 40380200, 50475250, 57686000, 72107500, 80760400, 100950500, 126188125, 144215000, 201901000, 252376250, 288430000, 403802000, 504752500, 1009505000, 2019010000]

約数ペア:

[(1, 2019010000), (2, 1009505000), (4, 504752500), (5, 403802000), (7, 288430000), (8, 252376250), (10, 201901000), (14, 144215000), (16, 126188125), (20, 100950500), (25, 80760400), (28, 72107500), (35, 57686000), (40, 50475250), (50, 40380200), (56, 36053750), (70, 28843000), (80, 25237625), (100, 20190100), (112, 18026875), (125, 16152080), (140, 14421500), (175, 11537200), (200, 10095050), (250, 8076040), (280, 7210750), (350, 5768600), (400, 5047525), (500, 4038020), (560, 3605375), (625, 3230416), (700, 2884300), (875, 2307440), (1000, 2019010), (1250, 1615208), (1400, 1442150), (1750, 1153720), (2000, 1009505), (2500, 807604), (2800, 721075), (3500, 576860), (4375, 461488), (5000, 403802), (7000, 288430), (8750, 230744), (10000, 201901), (14000, 144215), (17500, 115372), (28843, 70000), (35000, 57686)]