2014249780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{2909}}^1$

素因数の和:3396

約数の個数: 48

約数和(自身を含む): 4289922000

約数和(自身を除く): 2275672220

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 389, 445, 778, 890, 1556, 1780, 1945, 2909, 3890, 5818, 7780, 11636, 14545, 29090, 34621, 58180, 69242, 138484, 173105, 258901, 346210, 517802, 692420, 1035604, 1131601, 1294505, 2263202, 2589010, 4526404, 5178020, 5658005, 11316010, 22632020, 100712489, 201424978, 402849956, 503562445, 1007124890, 2014249780]

約数ペア:

[(1, 2014249780), (2, 1007124890), (4, 503562445), (5, 402849956), (10, 201424978), (20, 100712489), (89, 22632020), (178, 11316010), (356, 5658005), (389, 5178020), (445, 4526404), (778, 2589010), (890, 2263202), (1556, 1294505), (1780, 1131601), (1945, 1035604), (2909, 692420), (3890, 517802), (5818, 346210), (7780, 258901), (11636, 173105), (14545, 138484), (29090, 69242), (34621, 58180)]