71820280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{36643}}^1$

素因数の和:36668

約数の個数: 48

約数和(自身を含む): 187983720

約数和(自身を除く): 116163440

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, 36643, 73286, 146572, 183215, 256501, 293144, 366430, 513002, 732860, 1026004, 1282505, 1465720, 1795507, 2052008, 2565010, 3591014, 5130020, 7182028, 8977535, 10260040, 14364056, 17955070, 35910140, 71820280]

約数ペア:

[(1, 71820280), (2, 35910140), (4, 17955070), (5, 14364056), (7, 10260040), (8, 8977535), (10, 7182028), (14, 5130020), (20, 3591014), (28, 2565010), (35, 2052008), (40, 1795507), (49, 1465720), (56, 1282505), (70, 1026004), (98, 732860), (140, 513002), (196, 366430), (245, 293144), (280, 256501), (392, 183215), (490, 146572), (980, 73286), (1960, 36643)]