401698880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:988

約数の個数: 112

約数和(自身を含む): 1052291520

約数和(自身を除く): 650592640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 139, 160, 176, 220, 278, 320, 352, 440, 556, 695, 704, 821, 880, 1112, 1390, 1529, 1642, 1760, 2224, 2780, 3058, 3284, 3520, 4105, 4448, 5560, 6116, 6568, 7645, 8210, 8896, 9031, 11120, 12232, 13136, 15290, 16420, 18062, 22240, 24464, 26272, 30580, 32840, 36124, 44480, 45155, 48928, 52544, 61160, 65680, 72248, 90310, 97856, 114119, 122320, 131360, 144496, 180620, 228238, 244640, 262720, 288992, 361240, 456476, 489280, 570595, 577984, 722480, 912952, 1141190, 1255309, 1444960, 1825904, 2282380, 2510618, 2889920, 3651808, 4564760, 5021236, 6276545, 7303616, 9129520, 10042472, 12553090, 18259040, 20084944, 25106180, 36518080, 40169888, 50212360, 80339776, 100424720, 200849440, 401698880]

約数ペア:

[(1, 401698880), (2, 200849440), (4, 100424720), (5, 80339776), (8, 50212360), (10, 40169888), (11, 36518080), (16, 25106180), (20, 20084944), (22, 18259040), (32, 12553090), (40, 10042472), (44, 9129520), (55, 7303616), (64, 6276545), (80, 5021236), (88, 4564760), (110, 3651808), (139, 2889920), (160, 2510618), (176, 2282380), (220, 1825904), (278, 1444960), (320, 1255309), (352, 1141190), (440, 912952), (556, 722480), (695, 577984), (704, 570595), (821, 489280), (880, 456476), (1112, 361240), (1390, 288992), (1529, 262720), (1642, 244640), (1760, 228238), (2224, 180620), (2780, 144496), (3058, 131360), (3284, 122320), (3520, 114119), (4105, 97856), (4448, 90310), (5560, 72248), (6116, 65680), (6568, 61160), (7645, 52544), (8210, 48928), (8896, 45155), (9031, 44480), (11120, 36124), (12232, 32840), (13136, 30580), (15290, 26272), (16420, 24464), (18062, 22240)]