209660220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2161}}^1$

素因数の和:2201

約数の個数: 216

約数和(自身を含む): 807429168

約数和(自身を除く): 597768948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 196, 198, 210, 220, 231, 245, 252, 294, 308, 315, 330, 385, 396, 420, 441, 462, 490, 495, 539, 588, 630, 660, 693, 735, 770, 882, 924, 980, 990, 1078, 1155, 1260, 1386, 1470, 1540, 1617, 1764, 1980, 2156, 2161, 2205, 2310, 2695, 2772, 2940, 3234, 3465, 4322, 4410, 4620, 4851, 5390, 6468, 6483, 6930, 8085, 8644, 8820, 9702, 10780, 10805, 12966, 13860, 15127, 16170, 19404, 19449, 21610, 23771, 24255, 25932, 30254, 32340, 32415, 38898, 43220, 45381, 47542, 48510, 60508, 64830, 71313, 75635, 77796, 90762, 95084, 97020, 97245, 105889, 118855, 129660, 136143, 142626, 151270, 166397, 181524, 194490, 211778, 213939, 226905, 237710, 272286, 285252, 302540, 317667, 332794, 356565, 388980, 423556, 427878, 453810, 475420, 499191, 529445, 544572, 635334, 665588, 680715, 713130, 831985, 855756, 907620, 953001, 998382, 1058890, 1069695, 1164779, 1270668, 1361430, 1426260, 1497573, 1588335, 1663970, 1906002, 1996764, 2117780, 2139390, 2329558, 2495955, 2722860, 2995146, 3176670, 3327940, 3494337, 3812004, 4278780, 4659116, 4765005, 4991910, 5823895, 5990292, 6353340, 6988674, 7487865, 9530010, 9983820, 10483011, 11647790, 13977348, 14975730, 17471685, 19060020, 20966022, 23295580, 29951460, 34943370, 41932044, 52415055, 69886740, 104830110, 209660220]

約数ペア:

[(1, 209660220), (2, 104830110), (3, 69886740), (4, 52415055), (5, 41932044), (6, 34943370), (7, 29951460), (9, 23295580), (10, 20966022), (11, 19060020), (12, 17471685), (14, 14975730), (15, 13977348), (18, 11647790), (20, 10483011), (21, 9983820), (22, 9530010), (28, 7487865), (30, 6988674), (33, 6353340), (35, 5990292), (36, 5823895), (42, 4991910), (44, 4765005), (45, 4659116), (49, 4278780), (55, 3812004), (60, 3494337), (63, 3327940), (66, 3176670), (70, 2995146), (77, 2722860), (84, 2495955), (90, 2329558), (98, 2139390), (99, 2117780), (105, 1996764), (110, 1906002), (126, 1663970), (132, 1588335), (140, 1497573), (147, 1426260), (154, 1361430), (165, 1270668), (180, 1164779), (196, 1069695), (198, 1058890), (210, 998382), (220, 953001), (231, 907620), (245, 855756), (252, 831985), (294, 713130), (308, 680715), (315, 665588), (330, 635334), (385, 544572), (396, 529445), (420, 499191), (441, 475420), (462, 453810), (490, 427878), (495, 423556), (539, 388980), (588, 356565), (630, 332794), (660, 317667), (693, 302540), (735, 285252), (770, 272286), (882, 237710), (924, 226905), (980, 213939), (990, 211778), (1078, 194490), (1155, 181524), (1260, 166397), (1386, 151270), (1470, 142626), (1540, 136143), (1617, 129660), (1764, 118855), (1980, 105889), (2156, 97245), (2161, 97020), (2205, 95084), (2310, 90762), (2695, 77796), (2772, 75635), (2940, 71313), (3234, 64830), (3465, 60508), (4322, 48510), (4410, 47542), (4620, 45381), (4851, 43220), (5390, 38898), (6468, 32415), (6483, 32340), (6930, 30254), (8085, 25932), (8644, 24255), (8820, 23771), (9702, 21610), (10780, 19449), (10805, 19404), (12966, 16170), (13860, 15127)]