211315720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 256

約数和(自身を含む): 655257600

約数和(自身を除く): 443941880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 23, 28, 35, 38, 40, 44, 46, 55, 56, 70, 76, 77, 88, 92, 95, 110, 115, 133, 140, 152, 154, 157, 161, 184, 190, 209, 220, 230, 253, 266, 280, 308, 314, 322, 380, 385, 418, 437, 440, 460, 506, 532, 616, 628, 644, 665, 760, 770, 785, 805, 836, 874, 920, 1012, 1045, 1064, 1099, 1256, 1265, 1288, 1330, 1463, 1540, 1570, 1610, 1672, 1727, 1748, 1771, 2024, 2090, 2185, 2198, 2530, 2660, 2926, 2983, 3059, 3080, 3140, 3220, 3454, 3496, 3542, 3611, 4180, 4370, 4396, 4807, 5060, 5320, 5495, 5852, 5966, 6118, 6280, 6440, 6908, 7084, 7222, 7315, 8360, 8635, 8740, 8792, 8855, 9614, 10120, 10990, 11704, 11932, 12089, 12236, 13816, 14168, 14444, 14630, 14915, 15295, 17270, 17480, 17710, 18055, 19228, 20881, 21980, 23864, 24035, 24178, 24472, 25277, 28888, 29260, 29830, 30590, 32813, 33649, 34540, 35420, 36110, 38456, 39721, 41762, 43960, 48070, 48356, 50554, 58520, 59660, 60445, 61180, 65626, 67298, 68609, 69080, 70840, 72220, 79442, 83524, 96140, 96712, 101108, 104405, 119320, 120890, 122360, 126385, 131252, 134596, 137218, 144440, 158884, 164065, 167048, 168245, 192280, 198605, 202216, 208810, 229691, 241780, 252770, 262504, 269192, 274436, 278047, 317768, 328130, 336490, 343045, 397210, 417620, 459382, 480263, 483560, 505540, 548872, 556094, 656260, 672980, 686090, 754699, 794420, 835240, 918764, 960526, 1011080, 1112188, 1148455, 1312520, 1345960, 1372180, 1390235, 1509398, 1588840, 1837528, 1921052, 2224376, 2296910, 2401315, 2744360, 2780470, 3018796, 3773495, 3842104, 4593820, 4802630, 5282893, 5560940, 6037592, 7546990, 9187640, 9605260, 10565786, 11121880, 15093980, 19210520, 21131572, 26414465, 30187960, 42263144, 52828930, 105657860, 211315720]

約数ペア:

[(1, 211315720), (2, 105657860), (4, 52828930), (5, 42263144), (7, 30187960), (8, 26414465), (10, 21131572), (11, 19210520), (14, 15093980), (19, 11121880), (20, 10565786), (22, 9605260), (23, 9187640), (28, 7546990), (35, 6037592), (38, 5560940), (40, 5282893), (44, 4802630), (46, 4593820), (55, 3842104), (56, 3773495), (70, 3018796), (76, 2780470), (77, 2744360), (88, 2401315), (92, 2296910), (95, 2224376), (110, 1921052), (115, 1837528), (133, 1588840), (140, 1509398), (152, 1390235), (154, 1372180), (157, 1345960), (161, 1312520), (184, 1148455), (190, 1112188), (209, 1011080), (220, 960526), (230, 918764), (253, 835240), (266, 794420), (280, 754699), (308, 686090), (314, 672980), (322, 656260), (380, 556094), (385, 548872), (418, 505540), (437, 483560), (440, 480263), (460, 459382), (506, 417620), (532, 397210), (616, 343045), (628, 336490), (644, 328130), (665, 317768), (760, 278047), (770, 274436), (785, 269192), (805, 262504), (836, 252770), (874, 241780), (920, 229691), (1012, 208810), (1045, 202216), (1064, 198605), (1099, 192280), (1256, 168245), (1265, 167048), (1288, 164065), (1330, 158884), (1463, 144440), (1540, 137218), (1570, 134596), (1610, 131252), (1672, 126385), (1727, 122360), (1748, 120890), (1771, 119320), (2024, 104405), (2090, 101108), (2185, 96712), (2198, 96140), (2530, 83524), (2660, 79442), (2926, 72220), (2983, 70840), (3059, 69080), (3080, 68609), (3140, 67298), (3220, 65626), (3454, 61180), (3496, 60445), (3542, 59660), (3611, 58520), (4180, 50554), (4370, 48356), (4396, 48070), (4807, 43960), (5060, 41762), (5320, 39721), (5495, 38456), (5852, 36110), (5966, 35420), (6118, 34540), (6280, 33649), (6440, 32813), (6908, 30590), (7084, 29830), (7222, 29260), (7315, 28888), (8360, 25277), (8635, 24472), (8740, 24178), (8792, 24035), (8855, 23864), (9614, 21980), (10120, 20881), (10990, 19228), (11704, 18055), (11932, 17710), (12089, 17480), (12236, 17270), (13816, 15295), (14168, 14915), (14444, 14630)]