138451220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{238709}}^1$

素因数の和:238747

約数の個数: 24

約数和(自身を含む): 300774600

約数和(自身を除く): 162323380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 238709, 477418, 954836, 1193545, 2387090, 4774180, 6922561, 13845122, 27690244, 34612805, 69225610, 138451220]

約数ペア:

[(1, 138451220), (2, 69225610), (4, 34612805), (5, 27690244), (10, 13845122), (20, 6922561), (29, 4774180), (58, 2387090), (116, 1193545), (145, 954836), (290, 477418), (580, 238709)]