400280064

素因数分解:

$2^9\times 3^1\times {\mathrm{421}}^1\times {\mathrm{619}}^1$

素因数の和:1061

約数の個数: 80

約数和(自身を含む): 1070630880

約数和(自身を除く): 670350816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 421, 512, 619, 768, 842, 1238, 1263, 1536, 1684, 1857, 2476, 2526, 3368, 3714, 4952, 5052, 6736, 7428, 9904, 10104, 13472, 14856, 19808, 20208, 26944, 29712, 39616, 40416, 53888, 59424, 79232, 80832, 107776, 118848, 158464, 161664, 215552, 237696, 260599, 316928, 323328, 475392, 521198, 646656, 781797, 950784, 1042396, 1563594, 2084792, 3127188, 4169584, 6254376, 8339168, 12508752, 16678336, 25017504, 33356672, 50035008, 66713344, 100070016, 133426688, 200140032, 400280064]

約数ペア:

[(1, 400280064), (2, 200140032), (3, 133426688), (4, 100070016), (6, 66713344), (8, 50035008), (12, 33356672), (16, 25017504), (24, 16678336), (32, 12508752), (48, 8339168), (64, 6254376), (96, 4169584), (128, 3127188), (192, 2084792), (256, 1563594), (384, 1042396), (421, 950784), (512, 781797), (619, 646656), (768, 521198), (842, 475392), (1238, 323328), (1263, 316928), (1536, 260599), (1684, 237696), (1857, 215552), (2476, 161664), (2526, 158464), (3368, 118848), (3714, 107776), (4952, 80832), (5052, 79232), (6736, 59424), (7428, 53888), (9904, 40416), (10104, 39616), (13472, 29712), (14856, 26944), (19808, 20208)]