71826860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3691}}^1$

素因数の和:3846

約数の個数: 48

約数和(自身を含む): 173671680

約数和(自身を除く): 101844820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3691, 3892, 4865, 7382, 9730, 14764, 18455, 19460, 25837, 36910, 51674, 73820, 103348, 129185, 258370, 513049, 516740, 1026098, 2052196, 2565245, 3591343, 5130490, 7182686, 10260980, 14365372, 17956715, 35913430, 71826860]

約数ペア:

[(1, 71826860), (2, 35913430), (4, 17956715), (5, 14365372), (7, 10260980), (10, 7182686), (14, 5130490), (20, 3591343), (28, 2565245), (35, 2052196), (70, 1026098), (139, 516740), (140, 513049), (278, 258370), (556, 129185), (695, 103348), (973, 73820), (1390, 51674), (1946, 36910), (2780, 25837), (3691, 19460), (3892, 18455), (4865, 14764), (7382, 9730)]