75320980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2731}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 181754496

約数和(自身を除く): 106433516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2731, 2758, 3940, 5462, 5516, 6895, 10924, 13655, 13790, 19117, 27310, 27580, 38234, 54620, 76468, 95585, 191170, 382340, 538007, 1076014, 2152028, 2690035, 3766049, 5380070, 7532098, 10760140, 15064196, 18830245, 37660490, 75320980]

約数ペア:

[(1, 75320980), (2, 37660490), (4, 18830245), (5, 15064196), (7, 10760140), (10, 7532098), (14, 5380070), (20, 3766049), (28, 2690035), (35, 2152028), (70, 1076014), (140, 538007), (197, 382340), (394, 191170), (788, 95585), (985, 76468), (1379, 54620), (1970, 38234), (2731, 27580), (2758, 27310), (3940, 19117), (5462, 13790), (5516, 13655), (6895, 10924)]