210822640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{376469}}^1$

素因数の和:376489

約数の個数: 40

約数和(自身を含む): 560187360

約数和(自身を除く): 349364720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 376469, 752938, 1505876, 1882345, 2635283, 3011752, 3764690, 5270566, 6023504, 7529380, 10541132, 13176415, 15058760, 21082264, 26352830, 30117520, 42164528, 52705660, 105411320, 210822640]

約数ペア:

[(1, 210822640), (2, 105411320), (4, 52705660), (5, 42164528), (7, 30117520), (8, 26352830), (10, 21082264), (14, 15058760), (16, 13176415), (20, 10541132), (28, 7529380), (35, 6023504), (40, 5270566), (56, 3764690), (70, 3011752), (80, 2635283), (112, 1882345), (140, 1505876), (280, 752938), (560, 376469)]