511984640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 132

約数和(自身を含む): 1300884876

約数和(自身を除く): 788900236

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 277, 304, 320, 361, 380, 512, 554, 608, 640, 722, 760, 1024, 1108, 1216, 1280, 1385, 1444, 1520, 1805, 2216, 2432, 2560, 2770, 2888, 3040, 3610, 4432, 4864, 5120, 5263, 5540, 5776, 6080, 7220, 8864, 9728, 10526, 11080, 11552, 12160, 14440, 17728, 19456, 21052, 22160, 23104, 24320, 26315, 28880, 35456, 42104, 44320, 46208, 48640, 52630, 57760, 70912, 84208, 88640, 92416, 97280, 99997, 105260, 115520, 141824, 168416, 177280, 184832, 199994, 210520, 231040, 283648, 336832, 354560, 369664, 399988, 421040, 462080, 499985, 673664, 709120, 799976, 842080, 924160, 999970, 1347328, 1418240, 1599952, 1684160, 1848320, 1999940, 2694656, 3199904, 3368320, 3999880, 5389312, 6399808, 6736640, 7999760, 12799616, 13473280, 15999520, 25599232, 26946560, 31999040, 51198464, 63998080, 102396928, 127996160, 255992320, 511984640]

約数ペア:

[(1, 511984640), (2, 255992320), (4, 127996160), (5, 102396928), (8, 63998080), (10, 51198464), (16, 31999040), (19, 26946560), (20, 25599232), (32, 15999520), (38, 13473280), (40, 12799616), (64, 7999760), (76, 6736640), (80, 6399808), (95, 5389312), (128, 3999880), (152, 3368320), (160, 3199904), (190, 2694656), (256, 1999940), (277, 1848320), (304, 1684160), (320, 1599952), (361, 1418240), (380, 1347328), (512, 999970), (554, 924160), (608, 842080), (640, 799976), (722, 709120), (760, 673664), (1024, 499985), (1108, 462080), (1216, 421040), (1280, 399988), (1385, 369664), (1444, 354560), (1520, 336832), (1805, 283648), (2216, 231040), (2432, 210520), (2560, 199994), (2770, 184832), (2888, 177280), (3040, 168416), (3610, 141824), (4432, 115520), (4864, 105260), (5120, 99997), (5263, 97280), (5540, 92416), (5776, 88640), (6080, 84208), (7220, 70912), (8864, 57760), (9728, 52630), (10526, 48640), (11080, 46208), (11552, 44320), (12160, 42104), (14440, 35456), (17728, 28880), (19456, 26315), (21052, 24320), (22160, 23104)]