199587780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:448

約数の個数: 288

約数和(自身を含む): 762249600

約数和(自身を除く): 562661820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 49, 54, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 108, 114, 126, 133, 135, 140, 147, 171, 180, 189, 190, 196, 210, 228, 245, 252, 266, 270, 285, 294, 315, 342, 378, 380, 397, 399, 420, 441, 490, 513, 532, 540, 570, 588, 630, 665, 684, 735, 756, 794, 798, 855, 882, 931, 945, 980, 1026, 1140, 1191, 1197, 1260, 1323, 1330, 1470, 1588, 1596, 1710, 1764, 1862, 1890, 1985, 1995, 2052, 2205, 2382, 2394, 2565, 2646, 2660, 2779, 2793, 2940, 3420, 3573, 3591, 3724, 3780, 3970, 3990, 4410, 4655, 4764, 4788, 5130, 5292, 5558, 5586, 5955, 5985, 6615, 7146, 7182, 7543, 7940, 7980, 8337, 8379, 8820, 9310, 10260, 10719, 11116, 11172, 11910, 11970, 13230, 13895, 13965, 14292, 14364, 15086, 16674, 16758, 17865, 17955, 18620, 19453, 21438, 22629, 23820, 23940, 25011, 25137, 26460, 27790, 27930, 30172, 33348, 33516, 35730, 35910, 37715, 38906, 41685, 41895, 42876, 45258, 50022, 50274, 52801, 53595, 55580, 55860, 58359, 67887, 71460, 71820, 75033, 75430, 77812, 83370, 83790, 90516, 97265, 100044, 100548, 105602, 107190, 113145, 116718, 125055, 125685, 135774, 150066, 150860, 158403, 166740, 167580, 175077, 194530, 203661, 211204, 214380, 226290, 233436, 250110, 251370, 264005, 271548, 291795, 300132, 316806, 339435, 350154, 369607, 375165, 389060, 407322, 452580, 475209, 500220, 502740, 525231, 528010, 583590, 633612, 678870, 700308, 739214, 750330, 792015, 814644, 875385, 950418, 1018305, 1050462, 1056020, 1108821, 1167180, 1357740, 1425627, 1478428, 1500660, 1584030, 1750770, 1848035, 1900836, 2036610, 2100924, 2217642, 2376045, 2626155, 2851254, 3168060, 3326463, 3501540, 3696070, 4073220, 4435284, 4752090, 5252310, 5544105, 5702508, 6652926, 7128135, 7392140, 9504180, 9979389, 10504620, 11088210, 13305852, 14256270, 16632315, 19958778, 22176420, 28512540, 33264630, 39917556, 49896945, 66529260, 99793890, 199587780]

約数ペア:

[(1, 199587780), (2, 99793890), (3, 66529260), (4, 49896945), (5, 39917556), (6, 33264630), (7, 28512540), (9, 22176420), (10, 19958778), (12, 16632315), (14, 14256270), (15, 13305852), (18, 11088210), (19, 10504620), (20, 9979389), (21, 9504180), (27, 7392140), (28, 7128135), (30, 6652926), (35, 5702508), (36, 5544105), (38, 5252310), (42, 4752090), (45, 4435284), (49, 4073220), (54, 3696070), (57, 3501540), (60, 3326463), (63, 3168060), (70, 2851254), (76, 2626155), (84, 2376045), (90, 2217642), (95, 2100924), (98, 2036610), (105, 1900836), (108, 1848035), (114, 1750770), (126, 1584030), (133, 1500660), (135, 1478428), (140, 1425627), (147, 1357740), (171, 1167180), (180, 1108821), (189, 1056020), (190, 1050462), (196, 1018305), (210, 950418), (228, 875385), (245, 814644), (252, 792015), (266, 750330), (270, 739214), (285, 700308), (294, 678870), (315, 633612), (342, 583590), (378, 528010), (380, 525231), (397, 502740), (399, 500220), (420, 475209), (441, 452580), (490, 407322), (513, 389060), (532, 375165), (540, 369607), (570, 350154), (588, 339435), (630, 316806), (665, 300132), (684, 291795), (735, 271548), (756, 264005), (794, 251370), (798, 250110), (855, 233436), (882, 226290), (931, 214380), (945, 211204), (980, 203661), (1026, 194530), (1140, 175077), (1191, 167580), (1197, 166740), (1260, 158403), (1323, 150860), (1330, 150066), (1470, 135774), (1588, 125685), (1596, 125055), (1710, 116718), (1764, 113145), (1862, 107190), (1890, 105602), (1985, 100548), (1995, 100044), (2052, 97265), (2205, 90516), (2382, 83790), (2394, 83370), (2565, 77812), (2646, 75430), (2660, 75033), (2779, 71820), (2793, 71460), (2940, 67887), (3420, 58359), (3573, 55860), (3591, 55580), (3724, 53595), (3780, 52801), (3970, 50274), (3990, 50022), (4410, 45258), (4655, 42876), (4764, 41895), (4788, 41685), (5130, 38906), (5292, 37715), (5558, 35910), (5586, 35730), (5955, 33516), (5985, 33348), (6615, 30172), (7146, 27930), (7182, 27790), (7543, 26460), (7940, 25137), (7980, 25011), (8337, 23940), (8379, 23820), (8820, 22629), (9310, 21438), (10260, 19453), (10719, 18620), (11116, 17955), (11172, 17865), (11910, 16758), (11970, 16674), (13230, 15086), (13895, 14364), (13965, 14292)]