72402820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5021}}^1$

素因数の和:5140

約数の個数: 48

約数和(自身を含む): 175488768

約数和(自身を除く): 103085948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 5021, 7210, 10042, 14420, 20084, 25105, 35147, 50210, 70294, 100420, 140588, 175735, 351470, 517163, 702940, 1034326, 2068652, 2585815, 3620141, 5171630, 7240282, 10343260, 14480564, 18100705, 36201410, 72402820]

約数ペア:

[(1, 72402820), (2, 36201410), (4, 18100705), (5, 14480564), (7, 10343260), (10, 7240282), (14, 5171630), (20, 3620141), (28, 2585815), (35, 2068652), (70, 1034326), (103, 702940), (140, 517163), (206, 351470), (412, 175735), (515, 140588), (721, 100420), (1030, 70294), (1442, 50210), (2060, 35147), (2884, 25105), (3605, 20084), (5021, 14420), (7210, 10042)]