390379276

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 846720000

約数和(自身を除く): 456340724

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 89, 92, 98, 139, 161, 178, 196, 278, 322, 343, 356, 556, 623, 644, 686, 973, 1127, 1246, 1372, 1946, 2047, 2254, 2492, 3197, 3892, 4094, 4361, 4508, 6394, 6811, 7889, 8188, 8722, 12371, 12788, 13622, 14329, 15778, 17444, 22379, 24742, 27244, 28658, 30527, 31556, 44758, 47677, 49484, 57316, 61054, 86597, 89516, 95354, 100303, 122108, 156653, 173194, 190708, 200606, 284533, 313306, 346388, 401212, 569066, 606179, 626612, 702121, 1096571, 1138132, 1212358, 1404242, 1991731, 2193142, 2424716, 2808484, 3983462, 4243253, 4386284, 7966924, 8486506, 13942117, 16973012, 27884234, 55768468, 97594819, 195189638, 390379276]

約数ペア:

[(1, 390379276), (2, 195189638), (4, 97594819), (7, 55768468), (14, 27884234), (23, 16973012), (28, 13942117), (46, 8486506), (49, 7966924), (89, 4386284), (92, 4243253), (98, 3983462), (139, 2808484), (161, 2424716), (178, 2193142), (196, 1991731), (278, 1404242), (322, 1212358), (343, 1138132), (356, 1096571), (556, 702121), (623, 626612), (644, 606179), (686, 569066), (973, 401212), (1127, 346388), (1246, 313306), (1372, 284533), (1946, 200606), (2047, 190708), (2254, 173194), (2492, 156653), (3197, 122108), (3892, 100303), (4094, 95354), (4361, 89516), (4508, 86597), (6394, 61054), (6811, 57316), (7889, 49484), (8188, 47677), (8722, 44758), (12371, 31556), (12788, 30527), (13622, 28658), (14329, 27244), (15778, 24742), (17444, 22379)]