251006840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{896453}}^1$

素因数の和:896471

約数の個数: 32

約数和(自身を含む): 645446880

約数和(自身を除く): 394440040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 896453, 1792906, 3585812, 4482265, 6275171, 7171624, 8964530, 12550342, 17929060, 25100684, 31375855, 35858120, 50201368, 62751710, 125503420, 251006840]

約数ペア:

[(1, 251006840), (2, 125503420), (4, 62751710), (5, 50201368), (7, 35858120), (8, 31375855), (10, 25100684), (14, 17929060), (20, 12550342), (28, 8964530), (35, 7171624), (40, 6275171), (56, 4482265), (70, 3585812), (140, 1792906), (280, 896453)]