210380725

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 282839040

約数和(自身を除く): 72458315

約数列:

[1, 5, 25, 31, 43, 59, 107, 155, 215, 295, 535, 775, 1075, 1333, 1475, 1829, 2537, 2675, 3317, 4601, 6313, 6665, 9145, 12685, 16585, 23005, 31565, 33325, 45725, 63425, 78647, 82925, 115025, 142631, 157825, 195703, 271459, 393235, 713155, 978515, 1357295, 1966175, 3565775, 4892575, 6786475, 8415229, 42076145, 210380725]

約数ペア:

[(1, 210380725), (5, 42076145), (25, 8415229), (31, 6786475), (43, 4892575), (59, 3565775), (107, 1966175), (155, 1357295), (215, 978515), (295, 713155), (535, 393235), (775, 271459), (1075, 195703), (1333, 157825), (1475, 142631), (1829, 115025), (2537, 82925), (2675, 78647), (3317, 63425), (4601, 45725), (6313, 33325), (6665, 31565), (9145, 23005), (12685, 16585)]