393345260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{255419}}^1$

素因数の和:255446

約数の個数: 48

約数和(自身を含む): 1029853440

約数和(自身を除く): 636508180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 255419, 510838, 1021676, 1277095, 1787933, 2554190, 2809609, 3575866, 5108380, 5619218, 7151732, 8939665, 11238436, 14048045, 17879330, 19667263, 28096090, 35758660, 39334526, 56192180, 78669052, 98336315, 196672630, 393345260]

約数ペア:

[(1, 393345260), (2, 196672630), (4, 98336315), (5, 78669052), (7, 56192180), (10, 39334526), (11, 35758660), (14, 28096090), (20, 19667263), (22, 17879330), (28, 14048045), (35, 11238436), (44, 8939665), (55, 7151732), (70, 5619218), (77, 5108380), (110, 3575866), (140, 2809609), (154, 2554190), (220, 1787933), (308, 1277095), (385, 1021676), (770, 510838), (1540, 255419)]