7700980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 18781056

約数和(自身を除く): 11080076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 821, 938, 1340, 1642, 1876, 2345, 3284, 4105, 4690, 5747, 8210, 9380, 11494, 16420, 22988, 28735, 55007, 57470, 110014, 114940, 220028, 275035, 385049, 550070, 770098, 1100140, 1540196, 1925245, 3850490, 7700980]

約数ペア:

[(1, 7700980), (2, 3850490), (4, 1925245), (5, 1540196), (7, 1100140), (10, 770098), (14, 550070), (20, 385049), (28, 275035), (35, 220028), (67, 114940), (70, 110014), (134, 57470), (140, 55007), (268, 28735), (335, 22988), (469, 16420), (670, 11494), (821, 9380), (938, 8210), (1340, 5747), (1642, 4690), (1876, 4105), (2345, 3284)]