455800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 1104840

約数和(自身を除く): 649040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 53, 86, 100, 106, 172, 200, 212, 215, 265, 344, 424, 430, 530, 860, 1060, 1075, 1325, 1720, 2120, 2150, 2279, 2650, 4300, 4558, 5300, 8600, 9116, 10600, 11395, 18232, 22790, 45580, 56975, 91160, 113950, 227900, 455800]

約数ペア:

[(1, 455800), (2, 227900), (4, 113950), (5, 91160), (8, 56975), (10, 45580), (20, 22790), (25, 18232), (40, 11395), (43, 10600), (50, 9116), (53, 8600), (86, 5300), (100, 4558), (106, 4300), (172, 2650), (200, 2279), (212, 2150), (215, 2120), (265, 1720), (344, 1325), (424, 1075), (430, 1060), (530, 860)]