378718020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2103989}}^1$

素因数の和:2104004

約数の個数: 36

約数和(自身を含む): 1148778540

約数和(自身を除く): 770060520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2103989, 4207978, 6311967, 8415956, 10519945, 12623934, 18935901, 21039890, 25247868, 31559835, 37871802, 42079780, 63119670, 75743604, 94679505, 126239340, 189359010, 378718020]

約数ペア:

[(1, 378718020), (2, 189359010), (3, 126239340), (4, 94679505), (5, 75743604), (6, 63119670), (9, 42079780), (10, 37871802), (12, 31559835), (15, 25247868), (18, 21039890), (20, 18935901), (30, 12623934), (36, 10519945), (45, 8415956), (60, 6311967), (90, 4207978), (180, 2103989)]