2017666760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{63131}}^1$

素因数の和:63206

約数の個数: 64

約数和(自身を含む): 4909144320

約数和(自身を除く): 2891477560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 3196, 3995, 6392, 7990, 15980, 31960, 63131, 126262, 252524, 315655, 505048, 631310, 1073227, 1262620, 2146454, 2525240, 2967157, 4292908, 5366135, 5934314, 8585816, 10732270, 11868628, 14835785, 21464540, 23737256, 29671570, 42929080, 50441669, 59343140, 100883338, 118686280, 201766676, 252208345, 403533352, 504416690, 1008833380, 2017666760]

約数ペア:

[(1, 2017666760), (2, 1008833380), (4, 504416690), (5, 403533352), (8, 252208345), (10, 201766676), (17, 118686280), (20, 100883338), (34, 59343140), (40, 50441669), (47, 42929080), (68, 29671570), (85, 23737256), (94, 21464540), (136, 14835785), (170, 11868628), (188, 10732270), (235, 8585816), (340, 5934314), (376, 5366135), (470, 4292908), (680, 2967157), (799, 2525240), (940, 2146454), (1598, 1262620), (1880, 1073227), (3196, 631310), (3995, 505048), (6392, 315655), (7990, 252524), (15980, 126262), (31960, 63131)]