2236640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1997}}^1$

素因数の和:2019

約数の個数: 48

約数和(自身を含む): 6041952

約数和(自身を除く): 3805312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1997, 3994, 7988, 9985, 13979, 15976, 19970, 27958, 31952, 39940, 55916, 63904, 69895, 79880, 111832, 139790, 159760, 223664, 279580, 319520, 447328, 559160, 1118320, 2236640]

約数ペア:

[(1, 2236640), (2, 1118320), (4, 559160), (5, 447328), (7, 319520), (8, 279580), (10, 223664), (14, 159760), (16, 139790), (20, 111832), (28, 79880), (32, 69895), (35, 63904), (40, 55916), (56, 39940), (70, 31952), (80, 27958), (112, 19970), (140, 15976), (160, 13979), (224, 9985), (280, 7988), (560, 3994), (1120, 1997)]