639853710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{219881}}^1$

素因数の和:219988

約数の個数: 32

約数和(自身を含む): 1551487392

約数和(自身を除く): 911633682

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 219881, 439762, 659643, 1099405, 1319286, 2198810, 3298215, 6596430, 21328457, 42656914, 63985371, 106642285, 127970742, 213284570, 319926855, 639853710]

約数ペア:

[(1, 639853710), (2, 319926855), (3, 213284570), (5, 127970742), (6, 106642285), (10, 63985371), (15, 42656914), (30, 21328457), (97, 6596430), (194, 3298215), (291, 2198810), (485, 1319286), (582, 1099405), (970, 659643), (1455, 439762), (2910, 219881)]