649580120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2319929}}^1$

素因数の和:2319947

約数の個数: 32

約数和(自身を含む): 1670349600

約数和(自身を除く): 1020769480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2319929, 4639858, 9279716, 11599645, 16239503, 18559432, 23199290, 32479006, 46398580, 64958012, 81197515, 92797160, 129916024, 162395030, 324790060, 649580120]

約数ペア:

[(1, 649580120), (2, 324790060), (4, 162395030), (5, 129916024), (7, 92797160), (8, 81197515), (10, 64958012), (14, 46398580), (20, 32479006), (28, 23199290), (35, 18559432), (40, 16239503), (56, 11599645), (70, 9279716), (140, 4639858), (280, 2319929)]