51324420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{122201}}^1$

素因数の和:122220

約数の個数: 48

約数和(自身を含む): 164239488

約数和(自身を除く): 112915068

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, 122201, 244402, 366603, 488804, 611005, 733206, 855407, 1222010, 1466412, 1710814, 1833015, 2444020, 2566221, 3421628, 3666030, 4277035, 5132442, 7332060, 8554070, 10264884, 12831105, 17108140, 25662210, 51324420]

約数ペア:

[(1, 51324420), (2, 25662210), (3, 17108140), (4, 12831105), (5, 10264884), (6, 8554070), (7, 7332060), (10, 5132442), (12, 4277035), (14, 3666030), (15, 3421628), (20, 2566221), (21, 2444020), (28, 1833015), (30, 1710814), (35, 1466412), (42, 1222010), (60, 855407), (70, 733206), (84, 611005), (105, 488804), (140, 366603), (210, 244402), (420, 122201)]