66172900

素因数分解:

$2^2\times 5^2\times {\mathrm{347}}^1\times {\mathrm{1907}}^1$

素因数の和:2268

約数の個数: 36

約数和(自身を含む): 144084528

約数和(自身を除く): 77911628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 347, 694, 1388, 1735, 1907, 3470, 3814, 6940, 7628, 8675, 9535, 17350, 19070, 34700, 38140, 47675, 95350, 190700, 661729, 1323458, 2646916, 3308645, 6617290, 13234580, 16543225, 33086450, 66172900]

約数ペア:

[(1, 66172900), (2, 33086450), (4, 16543225), (5, 13234580), (10, 6617290), (20, 3308645), (25, 2646916), (50, 1323458), (100, 661729), (347, 190700), (694, 95350), (1388, 47675), (1735, 38140), (1907, 34700), (3470, 19070), (3814, 17350), (6940, 9535), (7628, 8675)]