243783125

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 40

約数和(自身を含む): 319997568

約数和(自身を除く): 76214443

約数列:

[1, 5, 25, 43, 47, 125, 193, 215, 235, 625, 965, 1075, 1175, 2021, 4825, 5375, 5875, 8299, 9071, 10105, 24125, 26875, 29375, 41495, 45355, 50525, 120625, 207475, 226775, 252625, 390053, 1037375, 1133875, 1263125, 1950265, 5186875, 5669375, 9751325, 48756625, 243783125]

約数ペア:

[(1, 243783125), (5, 48756625), (25, 9751325), (43, 5669375), (47, 5186875), (125, 1950265), (193, 1263125), (215, 1133875), (235, 1037375), (625, 390053), (965, 252625), (1075, 226775), (1175, 207475), (2021, 120625), (4825, 50525), (5375, 45355), (5875, 41495), (8299, 29375), (9071, 26875), (10105, 24125)]