164987340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{392827}}^1$

素因数の和:392846

約数の個数: 48

約数和(自身を含む): 527960832

約数和(自身を除く): 362973492

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, 392827, 785654, 1178481, 1571308, 1964135, 2356962, 2749789, 3928270, 4713924, 5499578, 5892405, 7856540, 8249367, 10999156, 11784810, 13748945, 16498734, 23569620, 27497890, 32997468, 41246835, 54995780, 82493670, 164987340]

約数ペア:

[(1, 164987340), (2, 82493670), (3, 54995780), (4, 41246835), (5, 32997468), (6, 27497890), (7, 23569620), (10, 16498734), (12, 13748945), (14, 11784810), (15, 10999156), (20, 8249367), (21, 7856540), (28, 5892405), (30, 5499578), (35, 4713924), (42, 3928270), (60, 2749789), (70, 2356962), (84, 1964135), (105, 1571308), (140, 1178481), (210, 785654), (420, 392827)]