70378020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{390989}}^1$

素因数の和:391004

約数の個数: 36

約数和(自身を含む): 213480540

約数和(自身を除く): 143102520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 390989, 781978, 1172967, 1563956, 1954945, 2345934, 3518901, 3909890, 4691868, 5864835, 7037802, 7819780, 11729670, 14075604, 17594505, 23459340, 35189010, 70378020]

約数ペア:

[(1, 70378020), (2, 35189010), (3, 23459340), (4, 17594505), (5, 14075604), (6, 11729670), (9, 7819780), (10, 7037802), (12, 5864835), (15, 4691868), (18, 3909890), (20, 3518901), (30, 2345934), (36, 1954945), (45, 1563956), (60, 1172967), (90, 781978), (180, 390989)]