1209708290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{15583}}^1$

素因数の和:16706

約数の個数: 32

約数和(自身を含む): 2490946560

約数和(自身を除く): 1281238270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1109, 2218, 5545, 7763, 11090, 15526, 15583, 31166, 38815, 77630, 77915, 109081, 155830, 218162, 545405, 1090810, 17281547, 34563094, 86407735, 120970829, 172815470, 241941658, 604854145, 1209708290]

約数ペア:

[(1, 1209708290), (2, 604854145), (5, 241941658), (7, 172815470), (10, 120970829), (14, 86407735), (35, 34563094), (70, 17281547), (1109, 1090810), (2218, 545405), (5545, 218162), (7763, 155830), (11090, 109081), (15526, 77915), (15583, 77630), (31166, 38815)]