71247170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 138260520

約数和(自身を除く): 67013350

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 277, 289, 445, 554, 578, 890, 1385, 1445, 1513, 2770, 2890, 3026, 4709, 7565, 9418, 15130, 23545, 24653, 25721, 47090, 49306, 51442, 80053, 123265, 128605, 160106, 246530, 257210, 400265, 419101, 800530, 838202, 2095505, 4191010, 7124717, 14249434, 35623585, 71247170]

約数ペア:

[(1, 71247170), (2, 35623585), (5, 14249434), (10, 7124717), (17, 4191010), (34, 2095505), (85, 838202), (89, 800530), (170, 419101), (178, 400265), (277, 257210), (289, 246530), (445, 160106), (554, 128605), (578, 123265), (890, 80053), (1385, 51442), (1445, 49306), (1513, 47090), (2770, 25721), (2890, 24653), (3026, 23545), (4709, 15130), (7565, 9418)]