17758760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 24577240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 97, 115, 184, 194, 199, 230, 388, 398, 460, 485, 776, 796, 920, 970, 995, 1592, 1940, 1990, 2231, 3880, 3980, 4462, 4577, 7960, 8924, 9154, 11155, 17848, 18308, 19303, 22310, 22885, 36616, 38606, 44620, 45770, 77212, 89240, 91540, 96515, 154424, 183080, 193030, 386060, 443969, 772120, 887938, 1775876, 2219845, 3551752, 4439690, 8879380, 17758760]

約数ペア:

[(1, 17758760), (2, 8879380), (4, 4439690), (5, 3551752), (8, 2219845), (10, 1775876), (20, 887938), (23, 772120), (40, 443969), (46, 386060), (92, 193030), (97, 183080), (115, 154424), (184, 96515), (194, 91540), (199, 89240), (230, 77212), (388, 45770), (398, 44620), (460, 38606), (485, 36616), (776, 22885), (796, 22310), (920, 19303), (970, 18308), (995, 17848), (1592, 11155), (1940, 9154), (1990, 8924), (2231, 7960), (3880, 4577), (3980, 4462)]