393996540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:644

約数の個数: 192

約数和(自身を含む): 1343462400

約数和(自身を除く): 949465860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 97, 105, 114, 133, 140, 190, 194, 210, 228, 266, 285, 291, 380, 388, 399, 420, 485, 509, 532, 570, 582, 665, 679, 798, 970, 1018, 1140, 1164, 1330, 1358, 1455, 1527, 1596, 1843, 1940, 1995, 2036, 2037, 2545, 2660, 2716, 2910, 3054, 3395, 3563, 3686, 3990, 4074, 5090, 5529, 5820, 6108, 6790, 7126, 7372, 7635, 7980, 8148, 9215, 9671, 10180, 10185, 10689, 11058, 12901, 13580, 14252, 15270, 17815, 18430, 19342, 20370, 21378, 22116, 25802, 27645, 29013, 30540, 35630, 36860, 38684, 38703, 40740, 42756, 48355, 49373, 51604, 53445, 55290, 58026, 64505, 67697, 71260, 77406, 96710, 98746, 106890, 110580, 116052, 129010, 135394, 145065, 148119, 154812, 193420, 193515, 197492, 203091, 213780, 246865, 258020, 270788, 290130, 296238, 338485, 345611, 387030, 406182, 493730, 580260, 592476, 676970, 691222, 740595, 774060, 812364, 938087, 987460, 1015455, 1036833, 1353940, 1382444, 1481190, 1728055, 1876174, 2030910, 2073666, 2814261, 2962380, 3456110, 3752348, 4061820, 4147332, 4690435, 5184165, 5628522, 6566609, 6912220, 9380870, 10368330, 11257044, 13133218, 14071305, 18761740, 19699827, 20736660, 26266436, 28142610, 32833045, 39399654, 56285220, 65666090, 78799308, 98499135, 131332180, 196998270, 393996540]

約数ペア:

[(1, 393996540), (2, 196998270), (3, 131332180), (4, 98499135), (5, 78799308), (6, 65666090), (7, 56285220), (10, 39399654), (12, 32833045), (14, 28142610), (15, 26266436), (19, 20736660), (20, 19699827), (21, 18761740), (28, 14071305), (30, 13133218), (35, 11257044), (38, 10368330), (42, 9380870), (57, 6912220), (60, 6566609), (70, 5628522), (76, 5184165), (84, 4690435), (95, 4147332), (97, 4061820), (105, 3752348), (114, 3456110), (133, 2962380), (140, 2814261), (190, 2073666), (194, 2030910), (210, 1876174), (228, 1728055), (266, 1481190), (285, 1382444), (291, 1353940), (380, 1036833), (388, 1015455), (399, 987460), (420, 938087), (485, 812364), (509, 774060), (532, 740595), (570, 691222), (582, 676970), (665, 592476), (679, 580260), (798, 493730), (970, 406182), (1018, 387030), (1140, 345611), (1164, 338485), (1330, 296238), (1358, 290130), (1455, 270788), (1527, 258020), (1596, 246865), (1843, 213780), (1940, 203091), (1995, 197492), (2036, 193515), (2037, 193420), (2545, 154812), (2660, 148119), (2716, 145065), (2910, 135394), (3054, 129010), (3395, 116052), (3563, 110580), (3686, 106890), (3990, 98746), (4074, 96710), (5090, 77406), (5529, 71260), (5820, 67697), (6108, 64505), (6790, 58026), (7126, 55290), (7372, 53445), (7635, 51604), (7980, 49373), (8148, 48355), (9215, 42756), (9671, 40740), (10180, 38703), (10185, 38684), (10689, 36860), (11058, 35630), (12901, 30540), (13580, 29013), (14252, 27645), (15270, 25802), (17815, 22116), (18430, 21378), (19342, 20370)]