20131990172

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1\times {\mathrm{761}}^1$

素因数の和:1311

約数の個数: 96

約数和(自身を含む): 43090185600

約数和(自身を除く): 22958195428

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 149, 238, 298, 373, 476, 596, 746, 761, 1043, 1492, 1522, 2086, 2533, 2611, 3044, 4172, 5066, 5222, 5327, 6341, 10132, 10444, 10654, 12682, 12937, 17731, 21308, 25364, 25874, 35462, 44387, 51748, 55577, 70924, 88774, 90559, 111154, 113389, 177548, 181118, 222308, 226778, 283853, 362236, 389039, 453556, 567706, 778078, 793723, 944809, 1135412, 1556156, 1587446, 1889618, 1927613, 1986971, 3174892, 3779236, 3855226, 3973942, 4825501, 6613663, 7710452, 7947884, 9651002, 13227326, 13493291, 19302004, 26454652, 26986582, 33778507, 42294097, 53973164, 67557014, 84588194, 135114028, 169176388, 296058679, 592117358, 718999649, 1184234716, 1437999298, 2875998596, 5032997543, 10065995086, 20131990172]

約数ペア:

[(1, 20131990172), (2, 10065995086), (4, 5032997543), (7, 2875998596), (14, 1437999298), (17, 1184234716), (28, 718999649), (34, 592117358), (68, 296058679), (119, 169176388), (149, 135114028), (238, 84588194), (298, 67557014), (373, 53973164), (476, 42294097), (596, 33778507), (746, 26986582), (761, 26454652), (1043, 19302004), (1492, 13493291), (1522, 13227326), (2086, 9651002), (2533, 7947884), (2611, 7710452), (3044, 6613663), (4172, 4825501), (5066, 3973942), (5222, 3855226), (5327, 3779236), (6341, 3174892), (10132, 1986971), (10444, 1927613), (10654, 1889618), (12682, 1587446), (12937, 1556156), (17731, 1135412), (21308, 944809), (25364, 793723), (25874, 778078), (35462, 567706), (44387, 453556), (51748, 389039), (55577, 362236), (70924, 283853), (88774, 226778), (90559, 222308), (111154, 181118), (113389, 177548)]