243398820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{579521}}^1$

素因数の和:579540

約数の個数: 48

約数和(自身を含む): 778877568

約数和(自身を除く): 535478748

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, 579521, 1159042, 1738563, 2318084, 2897605, 3477126, 4056647, 5795210, 6954252, 8113294, 8692815, 11590420, 12169941, 16226588, 17385630, 20283235, 24339882, 34771260, 40566470, 48679764, 60849705, 81132940, 121699410, 243398820]

約数ペア:

[(1, 243398820), (2, 121699410), (3, 81132940), (4, 60849705), (5, 48679764), (6, 40566470), (7, 34771260), (10, 24339882), (12, 20283235), (14, 17385630), (15, 16226588), (20, 12169941), (21, 11590420), (28, 8692815), (30, 8113294), (35, 6954252), (42, 5795210), (60, 4056647), (70, 3477126), (84, 2897605), (105, 2318084), (140, 1738563), (210, 1159042), (420, 579521)]