201173425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 274000320

約数和(自身を除く): 72826895

約数列:

[1, 5, 19, 25, 53, 61, 95, 131, 265, 305, 475, 655, 1007, 1159, 1325, 1525, 2489, 3233, 3275, 5035, 5795, 6943, 7991, 12445, 16165, 25175, 28975, 34715, 39955, 61427, 62225, 80825, 131917, 151829, 173575, 199775, 307135, 423523, 659585, 759145, 1535675, 2117615, 3297925, 3795725, 8046937, 10588075, 40234685, 201173425]

約数ペア:

[(1, 201173425), (5, 40234685), (19, 10588075), (25, 8046937), (53, 3795725), (61, 3297925), (95, 2117615), (131, 1535675), (265, 759145), (305, 659585), (475, 423523), (655, 307135), (1007, 199775), (1159, 173575), (1325, 151829), (1525, 131917), (2489, 80825), (3233, 62225), (3275, 61427), (5035, 39955), (5795, 34715), (6943, 28975), (7991, 25175), (12445, 16165)]