2001949003880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{257}}^1\times {\mathrm{22973}}^1$

素因数の和:23428

約数の個数: 192

約数和(自身を含む): 5290819385040

約数和(自身を除く): 3288870381160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 173, 196, 245, 257, 280, 346, 392, 490, 514, 692, 865, 980, 1028, 1211, 1285, 1384, 1730, 1799, 1960, 2056, 2422, 2570, 3460, 3598, 4844, 5140, 6055, 6920, 7196, 8477, 8995, 9688, 10280, 12110, 12593, 14392, 16954, 17990, 22973, 24220, 25186, 33908, 35980, 42385, 44461, 45946, 48440, 50372, 62965, 67816, 71960, 84770, 88922, 91892, 100744, 114865, 125930, 160811, 169540, 177844, 183784, 222305, 229730, 251860, 311227, 321622, 339080, 355688, 444610, 459460, 503720, 622454, 643244, 804055, 889220, 918920, 1125677, 1244908, 1286488, 1556135, 1608110, 1778440, 2178589, 2251354, 2489816, 3112270, 3216220, 3974329, 4357178, 4502708, 5628385, 5904061, 6224540, 6432440, 7948658, 8714356, 9005416, 10892945, 11256770, 11808122, 12449080, 15897316, 17428712, 19871645, 21785890, 22513540, 23616244, 27820303, 29520305, 31794632, 39743290, 41328427, 43571780, 45027080, 47232488, 55640606, 59040610, 79486580, 82656854, 87143560, 111281212, 118081220, 139101515, 158973160, 165313708, 194742121, 206642135, 222562424, 236162440, 278203030, 289298989, 330627416, 389484242, 413284270, 556406060, 578597978, 778968484, 826568540, 973710605, 1021402553, 1112812120, 1157195956, 1446494945, 1557936968, 1653137080, 1947421210, 2042805106, 2314391912, 2892989890, 3894842420, 4085610212, 5107012765, 5785979780, 7149817871, 7789684840, 8171220424, 10214025530, 11571959560, 14299635742, 20428051060, 28599271484, 35749089355, 40856102120, 50048725097, 57198542968, 71498178710, 100097450194, 142996357420, 200194900388, 250243625485, 285992714840, 400389800776, 500487250970, 1000974501940, 2001949003880]

約数ペア:

[(1, 2001949003880), (2, 1000974501940), (4, 500487250970), (5, 400389800776), (7, 285992714840), (8, 250243625485), (10, 200194900388), (14, 142996357420), (20, 100097450194), (28, 71498178710), (35, 57198542968), (40, 50048725097), (49, 40856102120), (56, 35749089355), (70, 28599271484), (98, 20428051060), (140, 14299635742), (173, 11571959560), (196, 10214025530), (245, 8171220424), (257, 7789684840), (280, 7149817871), (346, 5785979780), (392, 5107012765), (490, 4085610212), (514, 3894842420), (692, 2892989890), (865, 2314391912), (980, 2042805106), (1028, 1947421210), (1211, 1653137080), (1285, 1557936968), (1384, 1446494945), (1730, 1157195956), (1799, 1112812120), (1960, 1021402553), (2056, 973710605), (2422, 826568540), (2570, 778968484), (3460, 578597978), (3598, 556406060), (4844, 413284270), (5140, 389484242), (6055, 330627416), (6920, 289298989), (7196, 278203030), (8477, 236162440), (8995, 222562424), (9688, 206642135), (10280, 194742121), (12110, 165313708), (12593, 158973160), (14392, 139101515), (16954, 118081220), (17990, 111281212), (22973, 87143560), (24220, 82656854), (25186, 79486580), (33908, 59040610), (35980, 55640606), (42385, 47232488), (44461, 45027080), (45946, 43571780), (48440, 41328427), (50372, 39743290), (62965, 31794632), (67816, 29520305), (71960, 27820303), (84770, 23616244), (88922, 22513540), (91892, 21785890), (100744, 19871645), (114865, 17428712), (125930, 15897316), (160811, 12449080), (169540, 11808122), (177844, 11256770), (183784, 10892945), (222305, 9005416), (229730, 8714356), (251860, 7948658), (311227, 6432440), (321622, 6224540), (339080, 5904061), (355688, 5628385), (444610, 4502708), (459460, 4357178), (503720, 3974329), (622454, 3216220), (643244, 3112270), (804055, 2489816), (889220, 2251354), (918920, 2178589), (1125677, 1778440), (1244908, 1608110), (1286488, 1556135)]