393296420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{6317}}^1$

素因数の和:6620

約数の個数: 48

約数和(自身を含む): 904333248

約数和(自身を除く): 511036828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 283, 566, 1132, 1415, 2830, 3113, 5660, 6226, 6317, 12452, 12634, 15565, 25268, 31130, 31585, 62260, 63170, 69487, 126340, 138974, 277948, 347435, 694870, 1389740, 1787711, 3575422, 7150844, 8938555, 17877110, 19664821, 35754220, 39329642, 78659284, 98324105, 196648210, 393296420]

約数ペア:

[(1, 393296420), (2, 196648210), (4, 98324105), (5, 78659284), (10, 39329642), (11, 35754220), (20, 19664821), (22, 17877110), (44, 8938555), (55, 7150844), (110, 3575422), (220, 1787711), (283, 1389740), (566, 694870), (1132, 347435), (1415, 277948), (2830, 138974), (3113, 126340), (5660, 69487), (6226, 63170), (6317, 62260), (12452, 31585), (12634, 31130), (15565, 25268)]