1687233020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{503}}^1$

素因数の和:795

約数の個数: 96

約数和(自身を含む): 3942328320

約数和(自身を除く): 2255095300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 193, 220, 316, 386, 395, 503, 772, 790, 869, 965, 1006, 1580, 1738, 1930, 2012, 2123, 2515, 3476, 3860, 4246, 4345, 5030, 5533, 8492, 8690, 10060, 10615, 11066, 15247, 17380, 21230, 22132, 27665, 30494, 39737, 42460, 55330, 60988, 76235, 79474, 97079, 110660, 152470, 158948, 167717, 194158, 198685, 304940, 335434, 388316, 397370, 437107, 485395, 670868, 794740, 838585, 874214, 970790, 1067869, 1677170, 1748428, 1941580, 2135738, 2185535, 3354340, 4271476, 4371070, 5339345, 7669241, 8742140, 10678690, 15338482, 21357380, 30676964, 38346205, 76692410, 84361651, 153384820, 168723302, 337446604, 421808255, 843616510, 1687233020]

約数ペア:

[(1, 1687233020), (2, 843616510), (4, 421808255), (5, 337446604), (10, 168723302), (11, 153384820), (20, 84361651), (22, 76692410), (44, 38346205), (55, 30676964), (79, 21357380), (110, 15338482), (158, 10678690), (193, 8742140), (220, 7669241), (316, 5339345), (386, 4371070), (395, 4271476), (503, 3354340), (772, 2185535), (790, 2135738), (869, 1941580), (965, 1748428), (1006, 1677170), (1580, 1067869), (1738, 970790), (1930, 874214), (2012, 838585), (2123, 794740), (2515, 670868), (3476, 485395), (3860, 437107), (4246, 397370), (4345, 388316), (5030, 335434), (5533, 304940), (8492, 198685), (8690, 194158), (10060, 167717), (10615, 158948), (11066, 152470), (15247, 110660), (17380, 97079), (21230, 79474), (22132, 76235), (27665, 60988), (30494, 55330), (39737, 42460)]