207938560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2389}}^1$

素因数の和:2431

約数の個数: 88

約数和(自身を含む): 528371640

約数和(自身を除く): 320433080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 2176, 2389, 2560, 2720, 4352, 4778, 5120, 5440, 8704, 9556, 10880, 11945, 17408, 19112, 21760, 23890, 38224, 40613, 43520, 47780, 76448, 81226, 87040, 95560, 152896, 162452, 191120, 203065, 305792, 324904, 382240, 406130, 611584, 649808, 764480, 812260, 1223168, 1299616, 1528960, 1624520, 2446336, 2599232, 3057920, 3249040, 5198464, 6115840, 6498080, 10396928, 12231680, 12996160, 20793856, 25992320, 41587712, 51984640, 103969280, 207938560]

約数ペア:

[(1, 207938560), (2, 103969280), (4, 51984640), (5, 41587712), (8, 25992320), (10, 20793856), (16, 12996160), (17, 12231680), (20, 10396928), (32, 6498080), (34, 6115840), (40, 5198464), (64, 3249040), (68, 3057920), (80, 2599232), (85, 2446336), (128, 1624520), (136, 1528960), (160, 1299616), (170, 1223168), (256, 812260), (272, 764480), (320, 649808), (340, 611584), (512, 406130), (544, 382240), (640, 324904), (680, 305792), (1024, 203065), (1088, 191120), (1280, 162452), (1360, 152896), (2176, 95560), (2389, 87040), (2560, 81226), (2720, 76448), (4352, 47780), (4778, 43520), (5120, 40613), (5440, 38224), (8704, 23890), (9556, 21760), (10880, 19112), (11945, 17408)]