213449800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{56171}}^1$

素因数の和:56206

約数の個数: 48

約数和(自身を含む): 522399600

約数和(自身を除く): 308949800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 56171, 112342, 224684, 280855, 449368, 561710, 1067249, 1123420, 1404275, 2134498, 2246840, 2808550, 4268996, 5336245, 5617100, 8537992, 10672490, 11234200, 21344980, 26681225, 42689960, 53362450, 106724900, 213449800]

約数ペア:

[(1, 213449800), (2, 106724900), (4, 53362450), (5, 42689960), (8, 26681225), (10, 21344980), (19, 11234200), (20, 10672490), (25, 8537992), (38, 5617100), (40, 5336245), (50, 4268996), (76, 2808550), (95, 2246840), (100, 2134498), (152, 1404275), (190, 1123420), (200, 1067249), (380, 561710), (475, 449368), (760, 280855), (950, 224684), (1900, 112342), (3800, 56171)]