578271568

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{719}}^1$

素因数の和:944

約数の個数: 80

約数和(自身を含む): 1319915520

約数和(自身を除く): 741643952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 167, 172, 301, 334, 344, 602, 668, 688, 719, 1169, 1204, 1336, 1438, 2338, 2408, 2672, 2876, 4676, 4816, 5033, 5752, 7181, 9352, 10066, 11504, 14362, 18704, 20132, 28724, 30917, 40264, 50267, 57448, 61834, 80528, 100534, 114896, 120073, 123668, 201068, 216419, 240146, 247336, 402136, 432838, 480292, 494672, 804272, 840511, 865676, 960584, 1681022, 1731352, 1921168, 3362044, 3462704, 5163139, 6724088, 10326278, 13448176, 20652556, 36141973, 41305112, 72283946, 82610224, 144567892, 289135784, 578271568]

約数ペア:

[(1, 578271568), (2, 289135784), (4, 144567892), (7, 82610224), (8, 72283946), (14, 41305112), (16, 36141973), (28, 20652556), (43, 13448176), (56, 10326278), (86, 6724088), (112, 5163139), (167, 3462704), (172, 3362044), (301, 1921168), (334, 1731352), (344, 1681022), (602, 960584), (668, 865676), (688, 840511), (719, 804272), (1169, 494672), (1204, 480292), (1336, 432838), (1438, 402136), (2338, 247336), (2408, 240146), (2672, 216419), (2876, 201068), (4676, 123668), (4816, 120073), (5033, 114896), (5752, 100534), (7181, 80528), (9352, 61834), (10066, 57448), (11504, 50267), (14362, 40264), (18704, 30917), (20132, 28724)]