453880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1621}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 1167840

約数和(自身を除く): 713960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1621, 3242, 6484, 8105, 11347, 12968, 16210, 22694, 32420, 45388, 56735, 64840, 90776, 113470, 226940, 453880]

約数ペア:

[(1, 453880), (2, 226940), (4, 113470), (5, 90776), (7, 64840), (8, 56735), (10, 45388), (14, 32420), (20, 22694), (28, 16210), (35, 12968), (40, 11347), (56, 8105), (70, 6484), (140, 3242), (280, 1621)]