856093960

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1\times {\mathrm{641}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 1950421680

約数和(自身を除く): 1094327720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 193, 346, 386, 641, 692, 772, 865, 965, 1282, 1384, 1544, 1730, 1930, 2564, 3205, 3460, 3860, 5128, 6410, 6920, 7720, 12820, 25640, 33389, 66778, 110893, 123713, 133556, 166945, 221786, 247426, 267112, 333890, 443572, 494852, 554465, 618565, 667780, 887144, 989704, 1108930, 1237130, 1335560, 2217860, 2474260, 4435720, 4948520, 21402349, 42804698, 85609396, 107011745, 171218792, 214023490, 428046980, 856093960]

約数ペア:

[(1, 856093960), (2, 428046980), (4, 214023490), (5, 171218792), (8, 107011745), (10, 85609396), (20, 42804698), (40, 21402349), (173, 4948520), (193, 4435720), (346, 2474260), (386, 2217860), (641, 1335560), (692, 1237130), (772, 1108930), (865, 989704), (965, 887144), (1282, 667780), (1384, 618565), (1544, 554465), (1730, 494852), (1930, 443572), (2564, 333890), (3205, 267112), (3460, 247426), (3860, 221786), (5128, 166945), (6410, 133556), (6920, 123713), (7720, 110893), (12820, 66778), (25640, 33389)]