202159160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721997}}^1$

素因数の和:722015

約数の個数: 32

約数和(自身を含む): 519838560

約数和(自身を除く): 317679400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721997, 1443994, 2887988, 3609985, 5053979, 5775976, 7219970, 10107958, 14439940, 20215916, 25269895, 28879880, 40431832, 50539790, 101079580, 202159160]

約数ペア:

[(1, 202159160), (2, 101079580), (4, 50539790), (5, 40431832), (7, 28879880), (8, 25269895), (10, 20215916), (14, 14439940), (20, 10107958), (28, 7219970), (35, 5775976), (40, 5053979), (56, 3609985), (70, 2887988), (140, 1443994), (280, 721997)]