268481388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 758419200

約数和(自身を除く): 489937812

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 59, 71, 84, 98, 109, 118, 142, 147, 177, 196, 213, 218, 236, 284, 294, 327, 354, 413, 426, 436, 497, 588, 654, 708, 763, 826, 852, 994, 1239, 1308, 1491, 1526, 1652, 1988, 2289, 2478, 2891, 2982, 3052, 3479, 4189, 4578, 4956, 5341, 5782, 5964, 6431, 6958, 7739, 8378, 8673, 9156, 10437, 10682, 11564, 12567, 12862, 13916, 15478, 16023, 16756, 17346, 19293, 20874, 21364, 23217, 25134, 25724, 29323, 30956, 32046, 34692, 38586, 41748, 45017, 46434, 50268, 54173, 58646, 64092, 77172, 87969, 90034, 92868, 108346, 117292, 135051, 162519, 175938, 180068, 205261, 216692, 270102, 315119, 325038, 351876, 379211, 410522, 456601, 540204, 615783, 630238, 650076, 758422, 821044, 913202, 945357, 1137633, 1231566, 1260476, 1369803, 1516844, 1826404, 1890714, 2275266, 2463132, 2739606, 3196207, 3781428, 4550532, 5479212, 6392414, 9588621, 12784828, 19177242, 22373449, 38354484, 44746898, 67120347, 89493796, 134240694, 268481388]

約数ペア:

[(1, 268481388), (2, 134240694), (3, 89493796), (4, 67120347), (6, 44746898), (7, 38354484), (12, 22373449), (14, 19177242), (21, 12784828), (28, 9588621), (42, 6392414), (49, 5479212), (59, 4550532), (71, 3781428), (84, 3196207), (98, 2739606), (109, 2463132), (118, 2275266), (142, 1890714), (147, 1826404), (177, 1516844), (196, 1369803), (213, 1260476), (218, 1231566), (236, 1137633), (284, 945357), (294, 913202), (327, 821044), (354, 758422), (413, 650076), (426, 630238), (436, 615783), (497, 540204), (588, 456601), (654, 410522), (708, 379211), (763, 351876), (826, 325038), (852, 315119), (994, 270102), (1239, 216692), (1308, 205261), (1491, 180068), (1526, 175938), (1652, 162519), (1988, 135051), (2289, 117292), (2478, 108346), (2891, 92868), (2982, 90034), (3052, 87969), (3479, 77172), (4189, 64092), (4578, 58646), (4956, 54173), (5341, 50268), (5782, 46434), (5964, 45017), (6431, 41748), (6958, 38586), (7739, 34692), (8378, 32046), (8673, 30956), (9156, 29323), (10437, 25724), (10682, 25134), (11564, 23217), (12567, 21364), (12862, 20874), (13916, 19293), (15478, 17346), (16023, 16756)]