248420975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 348727680

約数和(自身を除く): 100306705

約数列:

[1, 5, 11, 25, 55, 59, 61, 251, 275, 295, 305, 649, 671, 1255, 1475, 1525, 2761, 3245, 3355, 3599, 6275, 13805, 14809, 15311, 16225, 16775, 17995, 39589, 69025, 74045, 76555, 89975, 162899, 168421, 197945, 370225, 382775, 814495, 842105, 903349, 989725, 4072475, 4210525, 4516745, 9936839, 22583725, 49684195, 248420975]

約数ペア:

[(1, 248420975), (5, 49684195), (11, 22583725), (25, 9936839), (55, 4516745), (59, 4210525), (61, 4072475), (251, 989725), (275, 903349), (295, 842105), (305, 814495), (649, 382775), (671, 370225), (1255, 197945), (1475, 168421), (1525, 162899), (2761, 89975), (3245, 76555), (3355, 74045), (3599, 69025), (6275, 39589), (13805, 17995), (14809, 16775), (15311, 16225)]