1308530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 32

約数和(自身を含む): 2540160

約数和(自身を除く): 1231630

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 97, 142, 190, 194, 355, 485, 710, 970, 1349, 1843, 2698, 3686, 6745, 6887, 9215, 13490, 13774, 18430, 34435, 68870, 130853, 261706, 654265, 1308530]

約数ペア:

[(1, 1308530), (2, 654265), (5, 261706), (10, 130853), (19, 68870), (38, 34435), (71, 18430), (95, 13774), (97, 13490), (142, 9215), (190, 6887), (194, 6745), (355, 3686), (485, 2698), (710, 1843), (970, 1349)]