389699725

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{7949}}^1$

素因数の和:8049

約数の個数: 24

約数和(自身を含む): 505715400

約数和(自身を除く): 116015675

約数列:

[1, 5, 25, 37, 53, 185, 265, 925, 1325, 1961, 7949, 9805, 39745, 49025, 198725, 294113, 421297, 1470565, 2106485, 7352825, 10532425, 15587989, 77939945, 389699725]

約数ペア:

[(1, 389699725), (5, 77939945), (25, 15587989), (37, 10532425), (53, 7352825), (185, 2106485), (265, 1470565), (925, 421297), (1325, 294113), (1961, 198725), (7949, 49025), (9805, 39745)]