79913820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{190271}}^1$

素因数の和:190290

約数の個数: 48

約数和(自身を含む): 255725568

約数和(自身を除く): 175811748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 190271, 380542, 570813, 761084, 951355, 1141626, 1331897, 1902710, 2283252, 2663794, 2854065, 3805420, 3995691, 5327588, 5708130, 6659485, 7991382, 11416260, 13318970, 15982764, 19978455, 26637940, 39956910, 79913820]

約数ペア:

[(1, 79913820), (2, 39956910), (3, 26637940), (4, 19978455), (5, 15982764), (6, 13318970), (7, 11416260), (10, 7991382), (12, 6659485), (14, 5708130), (15, 5327588), (20, 3995691), (21, 3805420), (28, 2854065), (30, 2663794), (35, 2283252), (42, 1902710), (60, 1331897), (70, 1141626), (84, 951355), (105, 761084), (140, 570813), (210, 380542), (420, 190271)]