68961820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{761}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 152083008

約数和(自身を除く): 83121188

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 197, 230, 394, 460, 761, 788, 985, 1522, 1970, 3044, 3805, 3940, 4531, 7610, 9062, 15220, 17503, 18124, 22655, 35006, 45310, 70012, 87515, 90620, 149917, 175030, 299834, 350060, 599668, 749585, 1499170, 2998340, 3448091, 6896182, 13792364, 17240455, 34480910, 68961820]

約数ペア:

[(1, 68961820), (2, 34480910), (4, 17240455), (5, 13792364), (10, 6896182), (20, 3448091), (23, 2998340), (46, 1499170), (92, 749585), (115, 599668), (197, 350060), (230, 299834), (394, 175030), (460, 149917), (761, 90620), (788, 87515), (985, 70012), (1522, 45310), (1970, 35006), (3044, 22655), (3805, 18124), (3940, 17503), (4531, 15220), (7610, 9062)]