289442960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1747}}^1$

素因数の和:1888

約数の個数: 80

約数和(自身を含む): 715281600

約数和(自身を除く): 425838640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 380, 436, 545, 760, 872, 1090, 1520, 1744, 1747, 2071, 2180, 3494, 4142, 4360, 6988, 8284, 8720, 8735, 10355, 13976, 16568, 17470, 20710, 27952, 33136, 33193, 34940, 41420, 66386, 69880, 82840, 132772, 139760, 165680, 165965, 190423, 265544, 331930, 380846, 531088, 663860, 761692, 952115, 1327720, 1523384, 1904230, 2655440, 3046768, 3618037, 3808460, 7236074, 7616920, 14472148, 15233840, 18090185, 28944296, 36180370, 57888592, 72360740, 144721480, 289442960]

約数ペア:

[(1, 289442960), (2, 144721480), (4, 72360740), (5, 57888592), (8, 36180370), (10, 28944296), (16, 18090185), (19, 15233840), (20, 14472148), (38, 7616920), (40, 7236074), (76, 3808460), (80, 3618037), (95, 3046768), (109, 2655440), (152, 1904230), (190, 1523384), (218, 1327720), (304, 952115), (380, 761692), (436, 663860), (545, 531088), (760, 380846), (872, 331930), (1090, 265544), (1520, 190423), (1744, 165965), (1747, 165680), (2071, 139760), (2180, 132772), (3494, 82840), (4142, 69880), (4360, 66386), (6988, 41420), (8284, 34940), (8720, 33193), (8735, 33136), (10355, 27952), (13976, 20710), (16568, 17470)]