200118640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 509766480

約数和(自身を除く): 309647840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 137, 152, 155, 190, 248, 274, 304, 310, 380, 496, 548, 589, 620, 685, 760, 961, 1096, 1178, 1240, 1370, 1520, 1922, 2192, 2356, 2480, 2603, 2740, 2945, 3844, 4247, 4712, 4805, 5206, 5480, 5890, 7688, 8494, 9424, 9610, 10412, 10960, 11780, 13015, 15376, 16988, 18259, 19220, 20824, 21235, 23560, 26030, 33976, 36518, 38440, 41648, 42470, 47120, 52060, 67952, 73036, 76880, 80693, 84940, 91295, 104120, 131657, 146072, 161386, 169880, 182590, 208240, 263314, 292144, 322772, 339760, 365180, 403465, 526628, 645544, 658285, 730360, 806930, 1053256, 1291088, 1316570, 1460720, 1613860, 2106512, 2501483, 2633140, 3227720, 5002966, 5266280, 6455440, 10005932, 10532560, 12507415, 20011864, 25014830, 40023728, 50029660, 100059320, 200118640]

約数ペア:

[(1, 200118640), (2, 100059320), (4, 50029660), (5, 40023728), (8, 25014830), (10, 20011864), (16, 12507415), (19, 10532560), (20, 10005932), (31, 6455440), (38, 5266280), (40, 5002966), (62, 3227720), (76, 2633140), (80, 2501483), (95, 2106512), (124, 1613860), (137, 1460720), (152, 1316570), (155, 1291088), (190, 1053256), (248, 806930), (274, 730360), (304, 658285), (310, 645544), (380, 526628), (496, 403465), (548, 365180), (589, 339760), (620, 322772), (685, 292144), (760, 263314), (961, 208240), (1096, 182590), (1178, 169880), (1240, 161386), (1370, 146072), (1520, 131657), (1922, 104120), (2192, 91295), (2356, 84940), (2480, 80693), (2603, 76880), (2740, 73036), (2945, 67952), (3844, 52060), (4247, 47120), (4712, 42470), (4805, 41648), (5206, 38440), (5480, 36518), (5890, 33976), (7688, 26030), (8494, 23560), (9424, 21235), (9610, 20824), (10412, 19220), (10960, 18259), (11780, 16988), (13015, 15376)]