71922340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{513731}}^1$

素因数の和:513747

約数の個数: 24

約数和(自身を含む): 172613952

約数和(自身を除く): 100691612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 513731, 1027462, 2054924, 2568655, 3596117, 5137310, 7192234, 10274620, 14384468, 17980585, 35961170, 71922340]

約数ペア:

[(1, 71922340), (2, 35961170), (4, 17980585), (5, 14384468), (7, 10274620), (10, 7192234), (14, 5137310), (20, 3596117), (28, 2568655), (35, 2054924), (70, 1027462), (140, 513731)]