157423460

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{25639}}^1$

素因数の和:25955

約数の個数: 24

約数和(自身を含む): 331679040

約数和(自身を除く): 174255580

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 25639, 51278, 102556, 128195, 256390, 512780, 7871173, 15742346, 31484692, 39355865, 78711730, 157423460]

約数ペア:

[(1, 157423460), (2, 78711730), (4, 39355865), (5, 31484692), (10, 15742346), (20, 7871173), (307, 512780), (614, 256390), (1228, 128195), (1535, 102556), (3070, 51278), (6140, 25639)]