1388307400

素因数分解:

$2^3\times 5^2\times {\mathrm{1327}}^1\times {\mathrm{5231}}^1$

素因数の和:6574

約数の個数: 48

約数和(自身を含む): 3230864640

約数和(自身を除く): 1842557240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1327, 2654, 5231, 5308, 6635, 10462, 10616, 13270, 20924, 26155, 26540, 33175, 41848, 52310, 53080, 66350, 104620, 130775, 132700, 209240, 261550, 265400, 523100, 1046200, 6941537, 13883074, 27766148, 34707685, 55532296, 69415370, 138830740, 173538425, 277661480, 347076850, 694153700, 1388307400]

約数ペア:

[(1, 1388307400), (2, 694153700), (4, 347076850), (5, 277661480), (8, 173538425), (10, 138830740), (20, 69415370), (25, 55532296), (40, 34707685), (50, 27766148), (100, 13883074), (200, 6941537), (1327, 1046200), (2654, 523100), (5231, 265400), (5308, 261550), (6635, 209240), (10462, 132700), (10616, 130775), (13270, 104620), (20924, 66350), (26155, 53080), (26540, 52310), (33175, 41848)]