2491265949640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{388903}}^1$

素因数の和:389151

約数の個数: 128

約数和(自身を含む): 6146798837760

約数和(自身を除く): 3655532888120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 127, 130, 194, 254, 260, 388, 485, 508, 520, 635, 776, 970, 1016, 1261, 1270, 1651, 1940, 2522, 2540, 3302, 3880, 5044, 5080, 6305, 6604, 8255, 10088, 12319, 12610, 13208, 16510, 24638, 25220, 33020, 49276, 50440, 61595, 66040, 98552, 123190, 160147, 246380, 320294, 388903, 492760, 640588, 777806, 800735, 1281176, 1555612, 1601470, 1944515, 3111224, 3202940, 3889030, 5055739, 6405880, 7778060, 10111478, 15556120, 20222956, 25278695, 37723591, 40445912, 49390681, 50557390, 75447182, 98781362, 101114780, 150894364, 188617955, 197562724, 202229560, 246953405, 301788728, 377235910, 395125448, 490406683, 493906810, 642078853, 754471820, 980813366, 987813620, 1284157706, 1508943640, 1961626732, 1975627240, 2452033415, 2568315412, 3210394265, 3923253464, 4790896057, 4904066830, 5136630824, 6420788530, 9581792114, 9808133660, 12841577060, 19163584228, 19616267320, 23954480285, 25683154120, 38327168456, 47908960570, 62281648741, 95817921140, 124563297482, 191635842280, 249126594964, 311408243705, 498253189928, 622816487410, 1245632974820, 2491265949640]

約数ペア:

[(1, 2491265949640), (2, 1245632974820), (4, 622816487410), (5, 498253189928), (8, 311408243705), (10, 249126594964), (13, 191635842280), (20, 124563297482), (26, 95817921140), (40, 62281648741), (52, 47908960570), (65, 38327168456), (97, 25683154120), (104, 23954480285), (127, 19616267320), (130, 19163584228), (194, 12841577060), (254, 9808133660), (260, 9581792114), (388, 6420788530), (485, 5136630824), (508, 4904066830), (520, 4790896057), (635, 3923253464), (776, 3210394265), (970, 2568315412), (1016, 2452033415), (1261, 1975627240), (1270, 1961626732), (1651, 1508943640), (1940, 1284157706), (2522, 987813620), (2540, 980813366), (3302, 754471820), (3880, 642078853), (5044, 493906810), (5080, 490406683), (6305, 395125448), (6604, 377235910), (8255, 301788728), (10088, 246953405), (12319, 202229560), (12610, 197562724), (13208, 188617955), (16510, 150894364), (24638, 101114780), (25220, 98781362), (33020, 75447182), (49276, 50557390), (50440, 49390681), (61595, 40445912), (66040, 37723591), (98552, 25278695), (123190, 20222956), (160147, 15556120), (246380, 10111478), (320294, 7778060), (388903, 6405880), (492760, 5055739), (640588, 3889030), (777806, 3202940), (800735, 3111224), (1281176, 1944515), (1555612, 1601470)]