389818880

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 160

約数和(自身を含む): 1037076480

約数和(自身を除く): 647257600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 109, 110, 127, 128, 160, 176, 218, 220, 254, 256, 320, 352, 436, 440, 508, 512, 545, 635, 640, 704, 872, 880, 1016, 1090, 1199, 1270, 1280, 1397, 1408, 1744, 1760, 2032, 2180, 2398, 2540, 2560, 2794, 2816, 3488, 3520, 4064, 4360, 4796, 5080, 5588, 5632, 5995, 6976, 6985, 7040, 8128, 8720, 9592, 10160, 11176, 11990, 13843, 13952, 13970, 14080, 16256, 17440, 19184, 20320, 22352, 23980, 27686, 27904, 27940, 28160, 32512, 34880, 38368, 40640, 44704, 47960, 55372, 55808, 55880, 65024, 69215, 69760, 76736, 81280, 89408, 95920, 110744, 111760, 138430, 139520, 152273, 153472, 162560, 178816, 191840, 221488, 223520, 276860, 279040, 304546, 306944, 325120, 357632, 383680, 442976, 447040, 553720, 609092, 613888, 715264, 761365, 767360, 885952, 894080, 1107440, 1218184, 1522730, 1534720, 1771904, 1788160, 2214880, 2436368, 3045460, 3069440, 3543808, 3576320, 4429760, 4872736, 6090920, 7087616, 8859520, 9745472, 12181840, 17719040, 19490944, 24363680, 35438080, 38981888, 48727360, 77963776, 97454720, 194909440, 389818880]

約数ペア:

[(1, 389818880), (2, 194909440), (4, 97454720), (5, 77963776), (8, 48727360), (10, 38981888), (11, 35438080), (16, 24363680), (20, 19490944), (22, 17719040), (32, 12181840), (40, 9745472), (44, 8859520), (55, 7087616), (64, 6090920), (80, 4872736), (88, 4429760), (109, 3576320), (110, 3543808), (127, 3069440), (128, 3045460), (160, 2436368), (176, 2214880), (218, 1788160), (220, 1771904), (254, 1534720), (256, 1522730), (320, 1218184), (352, 1107440), (436, 894080), (440, 885952), (508, 767360), (512, 761365), (545, 715264), (635, 613888), (640, 609092), (704, 553720), (872, 447040), (880, 442976), (1016, 383680), (1090, 357632), (1199, 325120), (1270, 306944), (1280, 304546), (1397, 279040), (1408, 276860), (1744, 223520), (1760, 221488), (2032, 191840), (2180, 178816), (2398, 162560), (2540, 153472), (2560, 152273), (2794, 139520), (2816, 138430), (3488, 111760), (3520, 110744), (4064, 95920), (4360, 89408), (4796, 81280), (5080, 76736), (5588, 69760), (5632, 69215), (5995, 65024), (6976, 55880), (6985, 55808), (7040, 55372), (8128, 47960), (8720, 44704), (9592, 40640), (10160, 38368), (11176, 34880), (11990, 32512), (13843, 28160), (13952, 27940), (13970, 27904), (14080, 27686), (16256, 23980), (17440, 22352), (19184, 20320)]