130897480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{467491}}^1$

素因数の和:467509

約数の個数: 32

約数和(自身を含む): 336594240

約数和(自身を除く): 205696760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 467491, 934982, 1869964, 2337455, 3272437, 3739928, 4674910, 6544874, 9349820, 13089748, 16362185, 18699640, 26179496, 32724370, 65448740, 130897480]

約数ペア:

[(1, 130897480), (2, 65448740), (4, 32724370), (5, 26179496), (7, 18699640), (8, 16362185), (10, 13089748), (14, 9349820), (20, 6544874), (28, 4674910), (35, 3739928), (40, 3272437), (56, 2337455), (70, 1869964), (140, 934982), (280, 467491)]