7212940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{51521}}^1$

素因数の和:51537

約数の個数: 24

約数和(自身を含む): 17311392

約数和(自身を除く): 10098452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 51521, 103042, 206084, 257605, 360647, 515210, 721294, 1030420, 1442588, 1803235, 3606470, 7212940]

約数ペア:

[(1, 7212940), (2, 3606470), (4, 1803235), (5, 1442588), (7, 1030420), (10, 721294), (14, 515210), (20, 360647), (28, 257605), (35, 206084), (70, 103042), (140, 51521)]