1947734780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1\times {\mathrm{1381}}^1$

素因数の和:2214

約数の個数: 48

約数和(自身を含む): 4141091136

約数和(自身を除く): 2193356356

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 727, 970, 1381, 1454, 1940, 2762, 2908, 3635, 5524, 6905, 7270, 13810, 14540, 27620, 70519, 133957, 141038, 267914, 282076, 352595, 535828, 669785, 705190, 1003987, 1339570, 1410380, 2007974, 2679140, 4015948, 5019935, 10039870, 20079740, 97386739, 194773478, 389546956, 486933695, 973867390, 1947734780]

約数ペア:

[(1, 1947734780), (2, 973867390), (4, 486933695), (5, 389546956), (10, 194773478), (20, 97386739), (97, 20079740), (194, 10039870), (388, 5019935), (485, 4015948), (727, 2679140), (970, 2007974), (1381, 1410380), (1454, 1339570), (1940, 1003987), (2762, 705190), (2908, 669785), (3635, 535828), (5524, 352595), (6905, 282076), (7270, 267914), (13810, 141038), (14540, 133957), (27620, 70519)]