212707740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^3$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 744726528

約数和(自身を除く): 532018788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 31, 34, 35, 42, 51, 60, 62, 68, 70, 84, 85, 93, 102, 105, 119, 124, 140, 155, 170, 186, 204, 210, 217, 238, 255, 310, 340, 357, 372, 420, 434, 465, 476, 510, 527, 595, 620, 651, 714, 868, 930, 961, 1020, 1054, 1085, 1190, 1302, 1428, 1581, 1785, 1860, 1922, 2108, 2170, 2380, 2604, 2635, 2883, 3162, 3255, 3570, 3689, 3844, 4340, 4805, 5270, 5766, 6324, 6510, 6727, 7140, 7378, 7905, 9610, 10540, 11067, 11532, 13020, 13454, 14415, 14756, 15810, 16337, 18445, 19220, 20181, 22134, 26908, 28830, 29791, 31620, 32674, 33635, 36890, 40362, 44268, 49011, 55335, 57660, 59582, 65348, 67270, 73780, 80724, 81685, 89373, 98022, 100905, 110670, 114359, 119164, 134540, 148955, 163370, 178746, 196044, 201810, 208537, 221340, 228718, 245055, 297910, 326740, 343077, 357492, 403620, 417074, 446865, 457436, 490110, 506447, 571795, 595820, 625611, 686154, 834148, 893730, 980220, 1012894, 1042685, 1143590, 1251222, 1372308, 1519341, 1715385, 1787460, 2025788, 2085370, 2287180, 2502444, 2532235, 3038682, 3128055, 3430770, 3545129, 4170740, 5064470, 6077364, 6256110, 6861540, 7090258, 7596705, 10128940, 10635387, 12512220, 14180516, 15193410, 17725645, 21270774, 30386820, 35451290, 42541548, 53176935, 70902580, 106353870, 212707740]

約数ペア:

[(1, 212707740), (2, 106353870), (3, 70902580), (4, 53176935), (5, 42541548), (6, 35451290), (7, 30386820), (10, 21270774), (12, 17725645), (14, 15193410), (15, 14180516), (17, 12512220), (20, 10635387), (21, 10128940), (28, 7596705), (30, 7090258), (31, 6861540), (34, 6256110), (35, 6077364), (42, 5064470), (51, 4170740), (60, 3545129), (62, 3430770), (68, 3128055), (70, 3038682), (84, 2532235), (85, 2502444), (93, 2287180), (102, 2085370), (105, 2025788), (119, 1787460), (124, 1715385), (140, 1519341), (155, 1372308), (170, 1251222), (186, 1143590), (204, 1042685), (210, 1012894), (217, 980220), (238, 893730), (255, 834148), (310, 686154), (340, 625611), (357, 595820), (372, 571795), (420, 506447), (434, 490110), (465, 457436), (476, 446865), (510, 417074), (527, 403620), (595, 357492), (620, 343077), (651, 326740), (714, 297910), (868, 245055), (930, 228718), (961, 221340), (1020, 208537), (1054, 201810), (1085, 196044), (1190, 178746), (1302, 163370), (1428, 148955), (1581, 134540), (1785, 119164), (1860, 114359), (1922, 110670), (2108, 100905), (2170, 98022), (2380, 89373), (2604, 81685), (2635, 80724), (2883, 73780), (3162, 67270), (3255, 65348), (3570, 59582), (3689, 57660), (3844, 55335), (4340, 49011), (4805, 44268), (5270, 40362), (5766, 36890), (6324, 33635), (6510, 32674), (6727, 31620), (7140, 29791), (7378, 28830), (7905, 26908), (9610, 22134), (10540, 20181), (11067, 19220), (11532, 18445), (13020, 16337), (13454, 15810), (14415, 14756)]