213584560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{381401}}^1$

素因数の和:381421

約数の個数: 40

約数和(自身を含む): 567526176

約数和(自身を除く): 353941616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 381401, 762802, 1525604, 1907005, 2669807, 3051208, 3814010, 5339614, 6102416, 7628020, 10679228, 13349035, 15256040, 21358456, 26698070, 30512080, 42716912, 53396140, 106792280, 213584560]

約数ペア:

[(1, 213584560), (2, 106792280), (4, 53396140), (5, 42716912), (7, 30512080), (8, 26698070), (10, 21358456), (14, 15256040), (16, 13349035), (20, 10679228), (28, 7628020), (35, 6102416), (40, 5339614), (56, 3814010), (70, 3051208), (80, 2669807), (112, 1907005), (140, 1525604), (280, 762802), (560, 381401)]