221066720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{197381}}^1$

素因数の和:197403

約数の個数: 48

約数和(自身を含む): 596883168

約数和(自身を除く): 375816448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 197381, 394762, 789524, 986905, 1381667, 1579048, 1973810, 2763334, 3158096, 3947620, 5526668, 6316192, 6908335, 7895240, 11053336, 13816670, 15790480, 22106672, 27633340, 31580960, 44213344, 55266680, 110533360, 221066720]

約数ペア:

[(1, 221066720), (2, 110533360), (4, 55266680), (5, 44213344), (7, 31580960), (8, 27633340), (10, 22106672), (14, 15790480), (16, 13816670), (20, 11053336), (28, 7895240), (32, 6908335), (35, 6316192), (40, 5526668), (56, 3947620), (70, 3158096), (80, 2763334), (112, 1973810), (140, 1579048), (160, 1381667), (224, 986905), (280, 789524), (560, 394762), (1120, 197381)]