420298020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2334989}}^1$

素因数の和:2335004

約数の個数: 36

約数和(自身を含む): 1274904540

約数和(自身を除く): 854606520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2334989, 4669978, 7004967, 9339956, 11674945, 14009934, 21014901, 23349890, 28019868, 35024835, 42029802, 46699780, 70049670, 84059604, 105074505, 140099340, 210149010, 420298020]

約数ペア:

[(1, 420298020), (2, 210149010), (3, 140099340), (4, 105074505), (5, 84059604), (6, 70049670), (9, 46699780), (10, 42029802), (12, 35024835), (15, 28019868), (18, 23349890), (20, 21014901), (30, 14009934), (36, 11674945), (45, 9339956), (60, 7004967), (90, 4669978), (180, 2334989)]