2019487750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{31189}}^1$

素因数の和:31250

約数の個数: 64

約数和(自身を含む): 4437463680

約数和(自身を除く): 2417975930

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 50, 70, 74, 125, 175, 185, 250, 259, 350, 370, 518, 875, 925, 1295, 1750, 1850, 2590, 4625, 6475, 9250, 12950, 31189, 32375, 62378, 64750, 155945, 218323, 311890, 436646, 779725, 1091615, 1153993, 1559450, 2183230, 2307986, 3898625, 5458075, 5769965, 7797250, 8077951, 10916150, 11539930, 16155902, 27290375, 28849825, 40389755, 54580750, 57699650, 80779510, 144249125, 201948775, 288498250, 403897550, 1009743875, 2019487750]

約数ペア:

[(1, 2019487750), (2, 1009743875), (5, 403897550), (7, 288498250), (10, 201948775), (14, 144249125), (25, 80779510), (35, 57699650), (37, 54580750), (50, 40389755), (70, 28849825), (74, 27290375), (125, 16155902), (175, 11539930), (185, 10916150), (250, 8077951), (259, 7797250), (350, 5769965), (370, 5458075), (518, 3898625), (875, 2307986), (925, 2183230), (1295, 1559450), (1750, 1153993), (1850, 1091615), (2590, 779725), (4625, 436646), (6475, 311890), (9250, 218323), (12950, 155945), (31189, 64750), (32375, 62378)]