31086580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31721}}^1$

素因数の和:31744

約数の個数: 36

約数和(自身を含む): 75942468

約数和(自身を除く): 44855888

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31721, 63442, 126884, 158605, 222047, 317210, 444094, 634420, 888188, 1110235, 1554329, 2220470, 3108658, 4440940, 6217316, 7771645, 15543290, 31086580]

約数ペア:

[(1, 31086580), (2, 15543290), (4, 7771645), (5, 6217316), (7, 4440940), (10, 3108658), (14, 2220470), (20, 1554329), (28, 1110235), (35, 888188), (49, 634420), (70, 444094), (98, 317210), (140, 222047), (196, 158605), (245, 126884), (490, 63442), (980, 31721)]