290140160

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:517

約数の個数: 104

約数和(自身を含む): 720283776

約数和(自身を除く): 430143616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 457, 496, 512, 620, 640, 914, 992, 1024, 1240, 1280, 1828, 1984, 2048, 2285, 2480, 2560, 3656, 3968, 4096, 4570, 4960, 5120, 7312, 7936, 9140, 9920, 10240, 14167, 14624, 15872, 18280, 19840, 20480, 28334, 29248, 31744, 36560, 39680, 56668, 58496, 63488, 70835, 73120, 79360, 113336, 116992, 126976, 141670, 146240, 158720, 226672, 233984, 283340, 292480, 317440, 453344, 467968, 566680, 584960, 634880, 906688, 935936, 1133360, 1169920, 1813376, 1871872, 2266720, 2339840, 3626752, 4533440, 4679680, 7253504, 9066880, 9359360, 14507008, 18133760, 29014016, 36267520, 58028032, 72535040, 145070080, 290140160]

約数ペア:

[(1, 290140160), (2, 145070080), (4, 72535040), (5, 58028032), (8, 36267520), (10, 29014016), (16, 18133760), (20, 14507008), (31, 9359360), (32, 9066880), (40, 7253504), (62, 4679680), (64, 4533440), (80, 3626752), (124, 2339840), (128, 2266720), (155, 1871872), (160, 1813376), (248, 1169920), (256, 1133360), (310, 935936), (320, 906688), (457, 634880), (496, 584960), (512, 566680), (620, 467968), (640, 453344), (914, 317440), (992, 292480), (1024, 283340), (1240, 233984), (1280, 226672), (1828, 158720), (1984, 146240), (2048, 141670), (2285, 126976), (2480, 116992), (2560, 113336), (3656, 79360), (3968, 73120), (4096, 70835), (4570, 63488), (4960, 58496), (5120, 56668), (7312, 39680), (7936, 36560), (9140, 31744), (9920, 29248), (10240, 28334), (14167, 20480), (14624, 19840), (15872, 18280)]