155907400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{70867}}^1$

素因数の和:70894

約数の個数: 48

約数和(自身を含む): 395443440

約数和(自身を除く): 239536040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 70867, 141734, 283468, 354335, 566936, 708670, 779537, 1417340, 1559074, 1771675, 2834680, 3118148, 3543350, 3897685, 6236296, 7086700, 7795370, 14173400, 15590740, 19488425, 31181480, 38976850, 77953700, 155907400]

約数ペア:

[(1, 155907400), (2, 77953700), (4, 38976850), (5, 31181480), (8, 19488425), (10, 15590740), (11, 14173400), (20, 7795370), (22, 7086700), (25, 6236296), (40, 3897685), (44, 3543350), (50, 3118148), (55, 2834680), (88, 1771675), (100, 1559074), (110, 1417340), (200, 779537), (220, 708670), (275, 566936), (440, 354335), (550, 283468), (1100, 141734), (2200, 70867)]