2907760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1945

約数の個数: 40

約数和(自身を含む): 7120080

約数和(自身を除く): 4212320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1913, 3826, 7652, 9565, 15304, 19130, 30608, 36347, 38260, 72694, 76520, 145388, 153040, 181735, 290776, 363470, 581552, 726940, 1453880, 2907760]

約数ペア:

[(1, 2907760), (2, 1453880), (4, 726940), (5, 581552), (8, 363470), (10, 290776), (16, 181735), (19, 153040), (20, 145388), (38, 76520), (40, 72694), (76, 38260), (80, 36347), (95, 30608), (152, 19130), (190, 15304), (304, 9565), (380, 7652), (760, 3826), (1520, 1913)]