30851772

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 85034880

約数和(自身を除く): 54183108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 196, 213, 284, 294, 426, 497, 588, 739, 852, 994, 1478, 1491, 1988, 2217, 2956, 2982, 3479, 4434, 5173, 5964, 6958, 8868, 10346, 10437, 13916, 15519, 20692, 20874, 31038, 36211, 41748, 52469, 62076, 72422, 104938, 108633, 144844, 157407, 209876, 217266, 314814, 367283, 434532, 629628, 734566, 1101849, 1469132, 2203698, 2570981, 4407396, 5141962, 7712943, 10283924, 15425886, 30851772]

約数ペア:

[(1, 30851772), (2, 15425886), (3, 10283924), (4, 7712943), (6, 5141962), (7, 4407396), (12, 2570981), (14, 2203698), (21, 1469132), (28, 1101849), (42, 734566), (49, 629628), (71, 434532), (84, 367283), (98, 314814), (142, 217266), (147, 209876), (196, 157407), (213, 144844), (284, 108633), (294, 104938), (426, 72422), (497, 62076), (588, 52469), (739, 41748), (852, 36211), (994, 31038), (1478, 20874), (1491, 20692), (1988, 15519), (2217, 13916), (2956, 10437), (2982, 10346), (3479, 8868), (4434, 6958), (5173, 5964)]