2800000075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 3736368000

約数和(自身を除く): 936367925

約数列:

[1, 5, 19, 25, 89, 95, 107, 445, 475, 535, 619, 1691, 2033, 2225, 2675, 3095, 8455, 9523, 10165, 11761, 15475, 42275, 47615, 50825, 55091, 58805, 66233, 180937, 238075, 275455, 294025, 331165, 904685, 1046729, 1258427, 1377275, 1655825, 4523425, 5233645, 5894737, 6292135, 26168225, 29473685, 31460675, 112000003, 147368425, 560000015, 2800000075]

約数ペア:

[(1, 2800000075), (5, 560000015), (19, 147368425), (25, 112000003), (89, 31460675), (95, 29473685), (107, 26168225), (445, 6292135), (475, 5894737), (535, 5233645), (619, 4523425), (1691, 1655825), (2033, 1377275), (2225, 1258427), (2675, 1046729), (3095, 904685), (8455, 331165), (9523, 294025), (10165, 275455), (11761, 238075), (15475, 180937), (42275, 66233), (47615, 58805), (50825, 55091)]