327969640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1087}}^1$

素因数の和:1514

約数の個数: 64

約数和(自身を含む): 779443200

約数和(自身を除く): 451473560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 397, 760, 794, 1087, 1588, 1985, 2174, 3176, 3970, 4348, 5435, 7543, 7940, 8696, 10870, 15086, 15880, 20653, 21740, 30172, 37715, 41306, 43480, 60344, 75430, 82612, 103265, 150860, 165224, 206530, 301720, 413060, 431539, 826120, 863078, 1726156, 2157695, 3452312, 4315390, 8199241, 8630780, 16398482, 17261560, 32796964, 40996205, 65593928, 81992410, 163984820, 327969640]

約数ペア:

[(1, 327969640), (2, 163984820), (4, 81992410), (5, 65593928), (8, 40996205), (10, 32796964), (19, 17261560), (20, 16398482), (38, 8630780), (40, 8199241), (76, 4315390), (95, 3452312), (152, 2157695), (190, 1726156), (380, 863078), (397, 826120), (760, 431539), (794, 413060), (1087, 301720), (1588, 206530), (1985, 165224), (2174, 150860), (3176, 103265), (3970, 82612), (4348, 75430), (5435, 60344), (7543, 43480), (7940, 41306), (8696, 37715), (10870, 30172), (15086, 21740), (15880, 20653)]