83674940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 179292960

約数和(自身を除く): 95618020

約数列:

[1, 2, 4, 5, 10, 20, 109, 131, 218, 262, 293, 436, 524, 545, 586, 655, 1090, 1172, 1310, 1465, 2180, 2620, 2930, 5860, 14279, 28558, 31937, 38383, 57116, 63874, 71395, 76766, 127748, 142790, 153532, 159685, 191915, 285580, 319370, 383830, 638740, 767660, 4183747, 8367494, 16734988, 20918735, 41837470, 83674940]

約数ペア:

[(1, 83674940), (2, 41837470), (4, 20918735), (5, 16734988), (10, 8367494), (20, 4183747), (109, 767660), (131, 638740), (218, 383830), (262, 319370), (293, 285580), (436, 191915), (524, 159685), (545, 153532), (586, 142790), (655, 127748), (1090, 76766), (1172, 71395), (1310, 63874), (1465, 57116), (2180, 38383), (2620, 31937), (2930, 28558), (5860, 14279)]