304561640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{400739}}^1$

素因数の和:400769

約数の個数: 32

約数和(自身を含む): 721332000

約数和(自身を除く): 416770360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 400739, 801478, 1602956, 2003695, 3205912, 4007390, 7614041, 8014780, 15228082, 16029560, 30456164, 38070205, 60912328, 76140410, 152280820, 304561640]

約数ペア:

[(1, 304561640), (2, 152280820), (4, 76140410), (5, 60912328), (8, 38070205), (10, 30456164), (19, 16029560), (20, 15228082), (38, 8014780), (40, 7614041), (76, 4007390), (95, 3205912), (152, 2003695), (190, 1602956), (380, 801478), (760, 400739)]