389856124

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 844390400

約数和(自身を除く): 454534276

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 61, 62, 74, 122, 124, 148, 199, 217, 244, 259, 398, 427, 434, 518, 796, 854, 868, 1036, 1147, 1393, 1708, 1891, 2257, 2294, 2786, 3782, 4514, 4588, 5572, 6169, 7363, 7564, 8029, 9028, 12139, 12338, 13237, 14726, 15799, 16058, 24278, 24676, 26474, 29452, 31598, 32116, 43183, 48556, 51541, 52948, 63196, 69967, 84973, 86366, 103082, 139934, 169946, 172732, 206164, 228253, 279868, 339892, 376309, 449143, 456506, 489769, 752618, 898286, 913012, 979538, 1505236, 1597771, 1796572, 1959076, 2634163, 3144001, 3195542, 5268326, 6288002, 6391084, 10536652, 12576004, 13923433, 27846866, 55693732, 97464031, 194928062, 389856124]

約数ペア:

[(1, 389856124), (2, 194928062), (4, 97464031), (7, 55693732), (14, 27846866), (28, 13923433), (31, 12576004), (37, 10536652), (61, 6391084), (62, 6288002), (74, 5268326), (122, 3195542), (124, 3144001), (148, 2634163), (199, 1959076), (217, 1796572), (244, 1597771), (259, 1505236), (398, 979538), (427, 913012), (434, 898286), (518, 752618), (796, 489769), (854, 456506), (868, 449143), (1036, 376309), (1147, 339892), (1393, 279868), (1708, 228253), (1891, 206164), (2257, 172732), (2294, 169946), (2786, 139934), (3782, 103082), (4514, 86366), (4588, 84973), (5572, 69967), (6169, 63196), (7363, 52948), (7564, 51541), (8029, 48556), (9028, 43183), (12139, 32116), (12338, 31598), (13237, 29452), (14726, 26474), (15799, 24676), (16058, 24278)]