209751040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:673

約数の個数: 88

約数和(自身を含む): 511127712

約数和(自身を除く): 301376672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 577, 640, 710, 1024, 1136, 1154, 1280, 1420, 2272, 2308, 2560, 2840, 2885, 4544, 4616, 5120, 5680, 5770, 9088, 9232, 11360, 11540, 18176, 18464, 22720, 23080, 36352, 36928, 40967, 45440, 46160, 72704, 73856, 81934, 90880, 92320, 147712, 163868, 181760, 184640, 204835, 295424, 327736, 363520, 369280, 409670, 590848, 655472, 738560, 819340, 1310944, 1477120, 1638680, 2621888, 2954240, 3277360, 5243776, 6554720, 10487552, 13109440, 20975104, 26218880, 41950208, 52437760, 104875520, 209751040]

約数ペア:

[(1, 209751040), (2, 104875520), (4, 52437760), (5, 41950208), (8, 26218880), (10, 20975104), (16, 13109440), (20, 10487552), (32, 6554720), (40, 5243776), (64, 3277360), (71, 2954240), (80, 2621888), (128, 1638680), (142, 1477120), (160, 1310944), (256, 819340), (284, 738560), (320, 655472), (355, 590848), (512, 409670), (568, 369280), (577, 363520), (640, 327736), (710, 295424), (1024, 204835), (1136, 184640), (1154, 181760), (1280, 163868), (1420, 147712), (2272, 92320), (2308, 90880), (2560, 81934), (2840, 73856), (2885, 72704), (4544, 46160), (4616, 45440), (5120, 40967), (5680, 36928), (5770, 36352), (9088, 23080), (9232, 22720), (11360, 18464), (11540, 18176)]