208458090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 584064000

約数和(自身を除く): 375605910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 79, 87, 90, 135, 145, 158, 174, 237, 261, 270, 290, 337, 395, 435, 474, 522, 674, 711, 783, 790, 870, 1011, 1185, 1305, 1422, 1566, 1685, 2022, 2133, 2291, 2370, 2610, 3033, 3370, 3555, 3915, 4266, 4582, 5055, 6066, 6873, 7110, 7830, 9099, 9773, 10110, 10665, 11455, 13746, 15165, 18198, 19546, 20619, 21330, 22910, 26623, 29319, 30330, 34365, 41238, 45495, 48865, 53246, 58638, 61857, 68730, 79869, 87957, 90990, 97730, 103095, 123714, 133115, 146595, 159738, 175914, 206190, 239607, 263871, 266230, 293190, 309285, 399345, 439785, 479214, 527742, 618570, 718821, 772067, 798690, 879570, 1198035, 1319355, 1437642, 1544134, 2316201, 2396070, 2638710, 3594105, 3860335, 4632402, 6948603, 7188210, 7720670, 11581005, 13897206, 20845809, 23162010, 34743015, 41691618, 69486030, 104229045, 208458090]

約数ペア:

[(1, 208458090), (2, 104229045), (3, 69486030), (5, 41691618), (6, 34743015), (9, 23162010), (10, 20845809), (15, 13897206), (18, 11581005), (27, 7720670), (29, 7188210), (30, 6948603), (45, 4632402), (54, 3860335), (58, 3594105), (79, 2638710), (87, 2396070), (90, 2316201), (135, 1544134), (145, 1437642), (158, 1319355), (174, 1198035), (237, 879570), (261, 798690), (270, 772067), (290, 718821), (337, 618570), (395, 527742), (435, 479214), (474, 439785), (522, 399345), (674, 309285), (711, 293190), (783, 266230), (790, 263871), (870, 239607), (1011, 206190), (1185, 175914), (1305, 159738), (1422, 146595), (1566, 133115), (1685, 123714), (2022, 103095), (2133, 97730), (2291, 90990), (2370, 87957), (2610, 79869), (3033, 68730), (3370, 61857), (3555, 58638), (3915, 53246), (4266, 48865), (4582, 45495), (5055, 41238), (6066, 34365), (6873, 30330), (7110, 29319), (7830, 26623), (9099, 22910), (9773, 21330), (10110, 20619), (10665, 19546), (11455, 18198), (13746, 15165)]