213065860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{35393}}^1$

素因数の和:35452

約数の個数: 48

約数和(自身を含む): 523264896

約数和(自身を除く): 310199036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 35393, 70786, 141572, 176965, 247751, 353930, 495502, 707860, 991004, 1238755, 1521899, 2477510, 3043798, 4955020, 6087596, 7609495, 10653293, 15218990, 21306586, 30437980, 42613172, 53266465, 106532930, 213065860]

約数ペア:

[(1, 213065860), (2, 106532930), (4, 53266465), (5, 42613172), (7, 30437980), (10, 21306586), (14, 15218990), (20, 10653293), (28, 7609495), (35, 6087596), (43, 4955020), (70, 3043798), (86, 2477510), (140, 1521899), (172, 1238755), (215, 991004), (301, 707860), (430, 495502), (602, 353930), (860, 247751), (1204, 176965), (1505, 141572), (3010, 70786), (6020, 35393)]