19856972200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{743}}^1$

素因数の和:1332

約数の個数: 192

約数和(自身を含む): 52502889600

約数和(自身を除く): 32645917400

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 130, 152, 190, 200, 247, 260, 325, 380, 475, 494, 520, 541, 650, 743, 760, 950, 988, 1082, 1235, 1300, 1486, 1900, 1976, 2164, 2470, 2600, 2705, 2972, 3715, 3800, 4328, 4940, 5410, 5944, 6175, 7033, 7430, 9659, 9880, 10279, 10820, 12350, 13525, 14066, 14117, 14860, 18575, 19318, 20558, 21640, 24700, 27050, 28132, 28234, 29720, 35165, 37150, 38636, 41116, 48295, 49400, 51395, 54100, 56264, 56468, 70330, 70585, 74300, 77272, 82232, 96590, 102790, 108200, 112936, 133627, 140660, 141170, 148600, 175825, 183521, 193180, 205580, 241475, 256975, 267254, 281320, 282340, 351650, 352925, 367042, 386360, 401963, 411160, 482950, 513950, 534508, 564680, 668135, 703300, 705850, 734084, 803926, 917605, 965900, 1027900, 1069016, 1336270, 1406600, 1411700, 1468168, 1607852, 1835210, 1931800, 2009815, 2055800, 2672540, 2823400, 3215704, 3340675, 3670420, 4019630, 4588025, 5225519, 5345080, 6681350, 7340840, 7637297, 8039260, 9176050, 10049075, 10451038, 13362700, 15274594, 16078520, 18352100, 20098150, 20902076, 26127595, 26725400, 30549188, 36704200, 38186485, 40196300, 41804152, 52255190, 61098376, 76372970, 80392600, 99284861, 104510380, 130637975, 152745940, 190932425, 198569722, 209020760, 261275950, 305491880, 381864850, 397139444, 496424305, 522551900, 763729700, 794278888, 992848610, 1045103800, 1527459400, 1985697220, 2482121525, 3971394440, 4964243050, 9928486100, 19856972200]

約数ペア:

[(1, 19856972200), (2, 9928486100), (4, 4964243050), (5, 3971394440), (8, 2482121525), (10, 1985697220), (13, 1527459400), (19, 1045103800), (20, 992848610), (25, 794278888), (26, 763729700), (38, 522551900), (40, 496424305), (50, 397139444), (52, 381864850), (65, 305491880), (76, 261275950), (95, 209020760), (100, 198569722), (104, 190932425), (130, 152745940), (152, 130637975), (190, 104510380), (200, 99284861), (247, 80392600), (260, 76372970), (325, 61098376), (380, 52255190), (475, 41804152), (494, 40196300), (520, 38186485), (541, 36704200), (650, 30549188), (743, 26725400), (760, 26127595), (950, 20902076), (988, 20098150), (1082, 18352100), (1235, 16078520), (1300, 15274594), (1486, 13362700), (1900, 10451038), (1976, 10049075), (2164, 9176050), (2470, 8039260), (2600, 7637297), (2705, 7340840), (2972, 6681350), (3715, 5345080), (3800, 5225519), (4328, 4588025), (4940, 4019630), (5410, 3670420), (5944, 3340675), (6175, 3215704), (7033, 2823400), (7430, 2672540), (9659, 2055800), (9880, 2009815), (10279, 1931800), (10820, 1835210), (12350, 1607852), (13525, 1468168), (14066, 1411700), (14117, 1406600), (14860, 1336270), (18575, 1069016), (19318, 1027900), (20558, 965900), (21640, 917605), (24700, 803926), (27050, 734084), (28132, 705850), (28234, 703300), (29720, 668135), (35165, 564680), (37150, 534508), (38636, 513950), (41116, 482950), (48295, 411160), (49400, 401963), (51395, 386360), (54100, 367042), (56264, 352925), (56468, 351650), (70330, 282340), (70585, 281320), (74300, 267254), (77272, 256975), (82232, 241475), (96590, 205580), (102790, 193180), (108200, 183521), (112936, 175825), (133627, 148600), (140660, 141170)]