82971420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197551}}^1$

素因数の和:197570

約数の個数: 48

約数和(自身を含む): 265509888

約数和(自身を除く): 182538468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 197551, 395102, 592653, 790204, 987755, 1185306, 1382857, 1975510, 2370612, 2765714, 2963265, 3951020, 4148571, 5531428, 5926530, 6914285, 8297142, 11853060, 13828570, 16594284, 20742855, 27657140, 41485710, 82971420]

約数ペア:

[(1, 82971420), (2, 41485710), (3, 27657140), (4, 20742855), (5, 16594284), (6, 13828570), (7, 11853060), (10, 8297142), (12, 6914285), (14, 5926530), (15, 5531428), (20, 4148571), (21, 3951020), (28, 2963265), (30, 2765714), (35, 2370612), (42, 1975510), (60, 1382857), (70, 1185306), (84, 987755), (105, 790204), (140, 592653), (210, 395102), (420, 197551)]