1910987080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{20963}}^1$

素因数の和:21070

約数の個数: 64

約数和(自身を含む): 4482941760

約数和(自身を除く): 2571954680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 860, 1060, 1720, 2120, 2279, 4558, 9116, 11395, 18232, 20963, 22790, 41926, 45580, 83852, 91160, 104815, 167704, 209630, 419260, 838520, 901409, 1111039, 1802818, 2222078, 3605636, 4444156, 4507045, 5555195, 7211272, 8888312, 9014090, 11110390, 18028180, 22220780, 36056360, 44441560, 47774677, 95549354, 191098708, 238873385, 382197416, 477746770, 955493540, 1910987080]

約数ペア:

[(1, 1910987080), (2, 955493540), (4, 477746770), (5, 382197416), (8, 238873385), (10, 191098708), (20, 95549354), (40, 47774677), (43, 44441560), (53, 36056360), (86, 22220780), (106, 18028180), (172, 11110390), (212, 9014090), (215, 8888312), (265, 7211272), (344, 5555195), (424, 4507045), (430, 4444156), (530, 3605636), (860, 2222078), (1060, 1802818), (1720, 1111039), (2120, 901409), (2279, 838520), (4558, 419260), (9116, 209630), (11395, 167704), (18232, 104815), (20963, 91160), (22790, 83852), (41926, 45580)]