400020210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{4444669}}^1$

素因数の和:4444682

約数の個数: 24

約数和(自身を含む): 1040052780

約数和(自身を除く): 640032570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 4444669, 8889338, 13334007, 22223345, 26668014, 40002021, 44446690, 66670035, 80004042, 133340070, 200010105, 400020210]

約数ペア:

[(1, 400020210), (2, 200010105), (3, 133340070), (5, 80004042), (6, 66670035), (9, 44446690), (10, 40002021), (15, 26668014), (18, 22223345), (30, 13334007), (45, 8889338), (90, 4444669)]