149327120

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4049}}^1$

素因数の和:4523

約数の個数: 40

約数和(自身を含む): 348024600

約数和(自身を除く): 198697480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2305, 3688, 4049, 4610, 7376, 8098, 9220, 16196, 18440, 20245, 32392, 36880, 40490, 64784, 80980, 161960, 323920, 1866589, 3733178, 7466356, 9332945, 14932712, 18665890, 29865424, 37331780, 74663560, 149327120]

約数ペア:

[(1, 149327120), (2, 74663560), (4, 37331780), (5, 29865424), (8, 18665890), (10, 14932712), (16, 9332945), (20, 7466356), (40, 3733178), (80, 1866589), (461, 323920), (922, 161960), (1844, 80980), (2305, 64784), (3688, 40490), (4049, 36880), (4610, 32392), (7376, 20245), (8098, 18440), (9220, 16196)]