55278440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197423}}^1$

素因数の和:197441

約数の個数: 32

約数和(自身を含む): 142145280

約数和(自身を除く): 86866840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 197423, 394846, 789692, 987115, 1381961, 1579384, 1974230, 2763922, 3948460, 5527844, 6909805, 7896920, 11055688, 13819610, 27639220, 55278440]

約数ペア:

[(1, 55278440), (2, 27639220), (4, 13819610), (5, 11055688), (7, 7896920), (8, 6909805), (10, 5527844), (14, 3948460), (20, 2763922), (28, 1974230), (35, 1579384), (40, 1381961), (56, 987115), (70, 789692), (140, 394846), (280, 197423)]