55994820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{133321}}^1$

素因数の和:133340

約数の個数: 48

約数和(自身を含む): 179184768

約数和(自身を除く): 123189948

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, 133321, 266642, 399963, 533284, 666605, 799926, 933247, 1333210, 1599852, 1866494, 1999815, 2666420, 2799741, 3732988, 3999630, 4666235, 5599482, 7999260, 9332470, 11198964, 13998705, 18664940, 27997410, 55994820]

約数ペア:

[(1, 55994820), (2, 27997410), (3, 18664940), (4, 13998705), (5, 11198964), (6, 9332470), (7, 7999260), (10, 5599482), (12, 4666235), (14, 3999630), (15, 3732988), (20, 2799741), (21, 2666420), (28, 1999815), (30, 1866494), (35, 1599852), (42, 1333210), (60, 933247), (70, 799926), (84, 666605), (105, 533284), (140, 399963), (210, 266642), (420, 133321)]