189640280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163483}}^1$

素因数の和:163523

約数の個数: 32

約数和(自身を含む): 441406800

約数和(自身を除く): 251766520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 163483, 326966, 653932, 817415, 1307864, 1634830, 3269660, 4741007, 6539320, 9482014, 18964028, 23705035, 37928056, 47410070, 94820140, 189640280]

約数ペア:

[(1, 189640280), (2, 94820140), (4, 47410070), (5, 37928056), (8, 23705035), (10, 18964028), (20, 9482014), (29, 6539320), (40, 4741007), (58, 3269660), (116, 1634830), (145, 1307864), (232, 817415), (290, 653932), (580, 326966), (1160, 163483)]