200019820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 575318016

約数和(自身を除く): 375298196

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 97, 103, 110, 130, 140, 143, 154, 182, 194, 206, 220, 260, 286, 308, 364, 385, 388, 412, 455, 485, 515, 572, 679, 715, 721, 770, 910, 970, 1001, 1030, 1067, 1133, 1261, 1339, 1358, 1430, 1442, 1540, 1820, 1940, 2002, 2060, 2134, 2266, 2522, 2678, 2716, 2860, 2884, 3395, 3605, 4004, 4268, 4532, 5005, 5044, 5335, 5356, 5665, 6305, 6695, 6790, 7210, 7469, 7931, 8827, 9373, 9991, 10010, 10670, 11330, 12610, 13390, 13580, 13871, 14420, 14729, 14938, 15862, 17654, 18746, 19982, 20020, 21340, 22660, 25220, 26780, 27742, 29458, 29876, 31724, 35308, 37345, 37492, 39655, 39964, 44135, 46865, 49955, 55484, 58916, 69355, 69937, 73645, 74690, 79310, 88270, 93730, 97097, 99910, 103103, 109901, 129883, 138710, 139874, 147290, 149380, 158620, 176540, 187460, 194194, 199820, 206206, 219802, 259766, 277420, 279748, 294580, 349685, 388388, 412412, 439604, 485485, 515515, 519532, 549505, 649415, 699370, 769307, 909181, 970970, 1031030, 1099010, 1298830, 1398740, 1428713, 1538614, 1818362, 1941940, 2062060, 2198020, 2597660, 2857426, 3077228, 3636724, 3846535, 4545905, 5714852, 7143565, 7693070, 9091810, 10000991, 14287130, 15386140, 18183620, 20001982, 28574260, 40003964, 50004955, 100009910, 200019820]

約数ペア:

[(1, 200019820), (2, 100009910), (4, 50004955), (5, 40003964), (7, 28574260), (10, 20001982), (11, 18183620), (13, 15386140), (14, 14287130), (20, 10000991), (22, 9091810), (26, 7693070), (28, 7143565), (35, 5714852), (44, 4545905), (52, 3846535), (55, 3636724), (65, 3077228), (70, 2857426), (77, 2597660), (91, 2198020), (97, 2062060), (103, 1941940), (110, 1818362), (130, 1538614), (140, 1428713), (143, 1398740), (154, 1298830), (182, 1099010), (194, 1031030), (206, 970970), (220, 909181), (260, 769307), (286, 699370), (308, 649415), (364, 549505), (385, 519532), (388, 515515), (412, 485485), (455, 439604), (485, 412412), (515, 388388), (572, 349685), (679, 294580), (715, 279748), (721, 277420), (770, 259766), (910, 219802), (970, 206206), (1001, 199820), (1030, 194194), (1067, 187460), (1133, 176540), (1261, 158620), (1339, 149380), (1358, 147290), (1430, 139874), (1442, 138710), (1540, 129883), (1820, 109901), (1940, 103103), (2002, 99910), (2060, 97097), (2134, 93730), (2266, 88270), (2522, 79310), (2678, 74690), (2716, 73645), (2860, 69937), (2884, 69355), (3395, 58916), (3605, 55484), (4004, 49955), (4268, 46865), (4532, 44135), (5005, 39964), (5044, 39655), (5335, 37492), (5356, 37345), (5665, 35308), (6305, 31724), (6695, 29876), (6790, 29458), (7210, 27742), (7469, 26780), (7931, 25220), (8827, 22660), (9373, 21340), (9991, 20020), (10010, 19982), (10670, 18746), (11330, 17654), (12610, 15862), (13390, 14938), (13580, 14729), (13871, 14420)]