128943025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 176774400

約数和(自身を除く): 47831375

約数列:

[1, 5, 19, 25, 43, 59, 95, 107, 215, 295, 475, 535, 817, 1075, 1121, 1475, 2033, 2537, 2675, 4085, 4601, 5605, 6313, 10165, 12685, 20425, 23005, 28025, 31565, 48203, 50825, 63425, 87419, 115025, 119947, 157825, 241015, 271459, 437095, 599735, 1205075, 1357295, 2185475, 2998675, 5157721, 6786475, 25788605, 128943025]

約数ペア:

[(1, 128943025), (5, 25788605), (19, 6786475), (25, 5157721), (43, 2998675), (59, 2185475), (95, 1357295), (107, 1205075), (215, 599735), (295, 437095), (475, 271459), (535, 241015), (817, 157825), (1075, 119947), (1121, 115025), (1475, 87419), (2033, 63425), (2537, 50825), (2675, 48203), (4085, 31565), (4601, 28025), (5605, 23005), (6313, 20425), (10165, 12685)]