70453880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251621}}^1$

素因数の和:251639

約数の個数: 32

約数和(自身を含む): 181167840

約数和(自身を除く): 110713960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 251621, 503242, 1006484, 1258105, 1761347, 2012968, 2516210, 3522694, 5032420, 7045388, 8806735, 10064840, 14090776, 17613470, 35226940, 70453880]

約数ペア:

[(1, 70453880), (2, 35226940), (4, 17613470), (5, 14090776), (7, 10064840), (8, 8806735), (10, 7045388), (14, 5032420), (20, 3522694), (28, 2516210), (35, 2012968), (40, 1761347), (56, 1258105), (70, 1006484), (140, 503242), (280, 251621)]