51991030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 126443520

約数和(自身を除く): 74452490

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 31, 35, 38, 62, 65, 70, 91, 95, 97, 130, 133, 155, 182, 190, 194, 217, 247, 266, 310, 403, 434, 455, 485, 494, 589, 665, 679, 806, 910, 970, 1085, 1178, 1235, 1261, 1330, 1358, 1729, 1843, 2015, 2170, 2470, 2522, 2821, 2945, 3007, 3395, 3458, 3686, 4030, 4123, 5642, 5890, 6014, 6305, 6790, 7657, 8246, 8645, 8827, 9215, 12610, 12901, 14105, 15035, 15314, 17290, 17654, 18430, 20615, 21049, 23959, 25802, 28210, 30070, 38285, 39091, 41230, 42098, 44135, 47918, 53599, 57133, 64505, 76570, 78182, 88270, 105245, 107198, 114266, 119795, 129010, 167713, 195455, 210490, 239590, 267995, 273637, 285665, 335426, 390910, 399931, 535990, 547274, 571330, 742729, 799862, 838565, 1368185, 1485458, 1677130, 1999655, 2736370, 3713645, 3999310, 5199103, 7427290, 10398206, 25995515, 51991030]

約数ペア:

[(1, 51991030), (2, 25995515), (5, 10398206), (7, 7427290), (10, 5199103), (13, 3999310), (14, 3713645), (19, 2736370), (26, 1999655), (31, 1677130), (35, 1485458), (38, 1368185), (62, 838565), (65, 799862), (70, 742729), (91, 571330), (95, 547274), (97, 535990), (130, 399931), (133, 390910), (155, 335426), (182, 285665), (190, 273637), (194, 267995), (217, 239590), (247, 210490), (266, 195455), (310, 167713), (403, 129010), (434, 119795), (455, 114266), (485, 107198), (494, 105245), (589, 88270), (665, 78182), (679, 76570), (806, 64505), (910, 57133), (970, 53599), (1085, 47918), (1178, 44135), (1235, 42098), (1261, 41230), (1330, 39091), (1358, 38285), (1729, 30070), (1843, 28210), (2015, 25802), (2170, 23959), (2470, 21049), (2522, 20615), (2821, 18430), (2945, 17654), (3007, 17290), (3395, 15314), (3458, 15035), (3686, 14105), (4030, 12901), (4123, 12610), (5642, 9215), (5890, 8827), (6014, 8645), (6305, 8246), (6790, 7657)]