138320560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{247001}}^1$

素因数の和:247021

約数の個数: 40

約数和(自身を含む): 367538976

約数和(自身を除く): 229218416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 247001, 494002, 988004, 1235005, 1729007, 1976008, 2470010, 3458014, 3952016, 4940020, 6916028, 8645035, 9880040, 13832056, 17290070, 19760080, 27664112, 34580140, 69160280, 138320560]

約数ペア:

[(1, 138320560), (2, 69160280), (4, 34580140), (5, 27664112), (7, 19760080), (8, 17290070), (10, 13832056), (14, 9880040), (16, 8645035), (20, 6916028), (28, 4940020), (35, 3952016), (40, 3458014), (56, 2470010), (70, 1976008), (80, 1729007), (112, 1235005), (140, 988004), (280, 494002), (560, 247001)]