84137480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{300491}}^1$

素因数の和:300509

約数の個数: 32

約数和(自身を含む): 216354240

約数和(自身を除く): 132216760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 300491, 600982, 1201964, 1502455, 2103437, 2403928, 3004910, 4206874, 6009820, 8413748, 10517185, 12019640, 16827496, 21034370, 42068740, 84137480]

約数ペア:

[(1, 84137480), (2, 42068740), (4, 21034370), (5, 16827496), (7, 12019640), (8, 10517185), (10, 8413748), (14, 6009820), (20, 4206874), (28, 3004910), (35, 2403928), (40, 2103437), (56, 1502455), (70, 1201964), (140, 600982), (280, 300491)]