306543860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2189599}}^1$

素因数の和:2189615

約数の個数: 24

約数和(自身を含む): 735705600

約数和(自身を除く): 429161740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2189599, 4379198, 8758396, 10947995, 15327193, 21895990, 30654386, 43791980, 61308772, 76635965, 153271930, 306543860]

約数ペア:

[(1, 306543860), (2, 153271930), (4, 76635965), (5, 61308772), (7, 43791980), (10, 30654386), (14, 21895990), (20, 15327193), (28, 10947995), (35, 8758396), (70, 4379198), (140, 2189599)]