3894940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 9580032

約数和(自身を除く): 5685092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 647, 860, 1204, 1294, 1505, 2588, 3010, 3235, 4529, 6020, 6470, 9058, 12940, 18116, 22645, 27821, 45290, 55642, 90580, 111284, 139105, 194747, 278210, 389494, 556420, 778988, 973735, 1947470, 3894940]

約数ペア:

[(1, 3894940), (2, 1947470), (4, 973735), (5, 778988), (7, 556420), (10, 389494), (14, 278210), (20, 194747), (28, 139105), (35, 111284), (43, 90580), (70, 55642), (86, 45290), (140, 27821), (172, 22645), (215, 18116), (301, 12940), (430, 9058), (602, 6470), (647, 6020), (860, 4529), (1204, 3235), (1294, 3010), (1505, 2588)]