189194240

素因数分解:

$2^{13}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 112

約数和(自身を含む): 471830400

約数和(自身を除く): 282636160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 149, 155, 160, 248, 256, 298, 310, 320, 496, 512, 596, 620, 640, 745, 992, 1024, 1192, 1240, 1280, 1490, 1984, 2048, 2384, 2480, 2560, 2980, 3968, 4096, 4619, 4768, 4960, 5120, 5960, 7936, 8192, 9238, 9536, 9920, 10240, 11920, 15872, 18476, 19072, 19840, 20480, 23095, 23840, 31744, 36952, 38144, 39680, 40960, 46190, 47680, 63488, 73904, 76288, 79360, 92380, 95360, 126976, 147808, 152576, 158720, 184760, 190720, 253952, 295616, 305152, 317440, 369520, 381440, 591232, 610304, 634880, 739040, 762880, 1182464, 1220608, 1269760, 1478080, 1525760, 2364928, 2956160, 3051520, 4729856, 5912320, 6103040, 9459712, 11824640, 18919424, 23649280, 37838848, 47298560, 94597120, 189194240]

約数ペア:

[(1, 189194240), (2, 94597120), (4, 47298560), (5, 37838848), (8, 23649280), (10, 18919424), (16, 11824640), (20, 9459712), (31, 6103040), (32, 5912320), (40, 4729856), (62, 3051520), (64, 2956160), (80, 2364928), (124, 1525760), (128, 1478080), (149, 1269760), (155, 1220608), (160, 1182464), (248, 762880), (256, 739040), (298, 634880), (310, 610304), (320, 591232), (496, 381440), (512, 369520), (596, 317440), (620, 305152), (640, 295616), (745, 253952), (992, 190720), (1024, 184760), (1192, 158720), (1240, 152576), (1280, 147808), (1490, 126976), (1984, 95360), (2048, 92380), (2384, 79360), (2480, 76288), (2560, 73904), (2980, 63488), (3968, 47680), (4096, 46190), (4619, 40960), (4768, 39680), (4960, 38144), (5120, 36952), (5960, 31744), (7936, 23840), (8192, 23095), (9238, 20480), (9536, 19840), (9920, 19072), (10240, 18476), (11920, 15872)]