155408120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{555029}}^1$

素因数の和:555047

約数の個数: 32

約数和(自身を含む): 399621600

約数和(自身を除く): 244213480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 555029, 1110058, 2220116, 2775145, 3885203, 4440232, 5550290, 7770406, 11100580, 15540812, 19426015, 22201160, 31081624, 38852030, 77704060, 155408120]

約数ペア:

[(1, 155408120), (2, 77704060), (4, 38852030), (5, 31081624), (7, 22201160), (8, 19426015), (10, 15540812), (14, 11100580), (20, 7770406), (28, 5550290), (35, 4440232), (40, 3885203), (56, 2775145), (70, 2220116), (140, 1110058), (280, 555029)]