247598320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{31907}}^1$

素因数の和:32017

約数の個数: 40

約数和(自身を含む): 581619024

約数和(自身を除く): 334020704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 31907, 63814, 127628, 159535, 255256, 319070, 510512, 638140, 1276280, 2552560, 3094979, 6189958, 12379916, 15474895, 24759832, 30949790, 49519664, 61899580, 123799160, 247598320]

約数ペア:

[(1, 247598320), (2, 123799160), (4, 61899580), (5, 49519664), (8, 30949790), (10, 24759832), (16, 15474895), (20, 12379916), (40, 6189958), (80, 3094979), (97, 2552560), (194, 1276280), (388, 638140), (485, 510512), (776, 319070), (970, 255256), (1552, 159535), (1940, 127628), (3880, 63814), (7760, 31907)]