339042020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{1231}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 730211328

約数和(自身を除く): 391169308

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 293, 470, 586, 940, 1172, 1231, 1465, 2462, 2930, 4924, 5860, 6155, 12310, 13771, 24620, 27542, 55084, 57857, 68855, 115714, 137710, 231428, 275420, 289285, 360683, 578570, 721366, 1157140, 1442732, 1803415, 3606830, 7213660, 16952101, 33904202, 67808404, 84760505, 169521010, 339042020]

約数ペア:

[(1, 339042020), (2, 169521010), (4, 84760505), (5, 67808404), (10, 33904202), (20, 16952101), (47, 7213660), (94, 3606830), (188, 1803415), (235, 1442732), (293, 1157140), (470, 721366), (586, 578570), (940, 360683), (1172, 289285), (1231, 275420), (1465, 231428), (2462, 137710), (2930, 115714), (4924, 68855), (5860, 57857), (6155, 55084), (12310, 27542), (13771, 24620)]