191506460

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 410145120

約数和(自身を除く): 218638660

約数列:

[1, 2, 4, 5, 10, 20, 107, 109, 214, 218, 428, 436, 535, 545, 821, 1070, 1090, 1642, 2140, 2180, 3284, 4105, 8210, 11663, 16420, 23326, 46652, 58315, 87847, 89489, 116630, 175694, 178978, 233260, 351388, 357956, 439235, 447445, 878470, 894890, 1756940, 1789780, 9575323, 19150646, 38301292, 47876615, 95753230, 191506460]

約数ペア:

[(1, 191506460), (2, 95753230), (4, 47876615), (5, 38301292), (10, 19150646), (20, 9575323), (107, 1789780), (109, 1756940), (214, 894890), (218, 878470), (428, 447445), (436, 439235), (535, 357956), (545, 351388), (821, 233260), (1070, 178978), (1090, 175694), (1642, 116630), (2140, 89489), (2180, 87847), (3284, 58315), (4105, 46652), (8210, 23326), (11663, 16420)]