241360280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{123143}}^1$

素因数の和:123168

約数の個数: 48

約数和(自身を含む): 631728720

約数和(自身を除く): 390368440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 123143, 246286, 492572, 615715, 862001, 985144, 1231430, 1724002, 2462860, 3448004, 4310005, 4925720, 6034007, 6896008, 8620010, 12068014, 17240020, 24136028, 30170035, 34480040, 48272056, 60340070, 120680140, 241360280]

約数ペア:

[(1, 241360280), (2, 120680140), (4, 60340070), (5, 48272056), (7, 34480040), (8, 30170035), (10, 24136028), (14, 17240020), (20, 12068014), (28, 8620010), (35, 6896008), (40, 6034007), (49, 4925720), (56, 4310005), (70, 3448004), (98, 2462860), (140, 1724002), (196, 1231430), (245, 985144), (280, 862001), (392, 615715), (490, 492572), (980, 246286), (1960, 123143)]