2171768984

素因数分解:

$2^3\times 7^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 192

約数和(自身を含む): 5413632000

約数和(自身を除く): 3241863016

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 121, 124, 154, 196, 211, 217, 242, 248, 308, 341, 343, 392, 422, 434, 484, 539, 616, 682, 686, 844, 847, 868, 968, 1078, 1364, 1372, 1477, 1519, 1688, 1694, 1736, 2156, 2321, 2387, 2728, 2744, 2954, 3038, 3388, 3751, 3773, 4312, 4642, 4774, 5908, 5929, 6076, 6541, 6776, 7502, 7546, 9284, 9548, 10339, 10633, 11816, 11858, 12152, 13082, 15004, 15092, 16247, 16709, 18568, 19096, 20678, 21266, 23716, 25531, 26164, 26257, 30008, 30184, 32494, 33418, 41356, 41503, 42532, 45787, 47432, 51062, 52328, 52514, 64988, 66836, 71951, 72373, 82712, 83006, 85064, 91574, 102124, 105028, 113729, 116963, 129976, 133672, 143902, 144746, 166012, 178717, 183148, 183799, 204248, 210056, 227458, 233926, 287804, 289492, 320509, 332024, 357434, 366296, 367598, 454916, 467852, 503657, 575608, 578984, 641018, 714868, 735196, 791461, 796103, 909832, 935704, 1007314, 1251019, 1282036, 1286593, 1429736, 1470392, 1582922, 1592206, 2014628, 2243563, 2502038, 2564072, 2573186, 3165844, 3184412, 3525599, 4029256, 4487126, 5004076, 5146372, 5540227, 6331688, 6368824, 7051198, 8757133, 8974252, 10008152, 10292744, 11080454, 14102396, 17514266, 17948504, 22160908, 24679193, 28204792, 35028532, 38781589, 44321816, 49358386, 70057064, 77563178, 98716772, 155126356, 197433544, 271471123, 310252712, 542942246, 1085884492, 2171768984]

約数ペア:

[(1, 2171768984), (2, 1085884492), (4, 542942246), (7, 310252712), (8, 271471123), (11, 197433544), (14, 155126356), (22, 98716772), (28, 77563178), (31, 70057064), (44, 49358386), (49, 44321816), (56, 38781589), (62, 35028532), (77, 28204792), (88, 24679193), (98, 22160908), (121, 17948504), (124, 17514266), (154, 14102396), (196, 11080454), (211, 10292744), (217, 10008152), (242, 8974252), (248, 8757133), (308, 7051198), (341, 6368824), (343, 6331688), (392, 5540227), (422, 5146372), (434, 5004076), (484, 4487126), (539, 4029256), (616, 3525599), (682, 3184412), (686, 3165844), (844, 2573186), (847, 2564072), (868, 2502038), (968, 2243563), (1078, 2014628), (1364, 1592206), (1372, 1582922), (1477, 1470392), (1519, 1429736), (1688, 1286593), (1694, 1282036), (1736, 1251019), (2156, 1007314), (2321, 935704), (2387, 909832), (2728, 796103), (2744, 791461), (2954, 735196), (3038, 714868), (3388, 641018), (3751, 578984), (3773, 575608), (4312, 503657), (4642, 467852), (4774, 454916), (5908, 367598), (5929, 366296), (6076, 357434), (6541, 332024), (6776, 320509), (7502, 289492), (7546, 287804), (9284, 233926), (9548, 227458), (10339, 210056), (10633, 204248), (11816, 183799), (11858, 183148), (12152, 178717), (13082, 166012), (15004, 144746), (15092, 143902), (16247, 133672), (16709, 129976), (18568, 116963), (19096, 113729), (20678, 105028), (21266, 102124), (23716, 91574), (25531, 85064), (26164, 83006), (26257, 82712), (30008, 72373), (30184, 71951), (32494, 66836), (33418, 64988), (41356, 52514), (41503, 52328), (42532, 51062), (45787, 47432)]