394701875

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 514597776

約数和(自身を除く): 119895901

約数列:

[1, 5, 25, 41, 73, 125, 205, 211, 365, 625, 1025, 1055, 1825, 2993, 5125, 5275, 8651, 9125, 14965, 15403, 25625, 26375, 43255, 45625, 74825, 77015, 131875, 216275, 374125, 385075, 631523, 1081375, 1870625, 1925375, 3157615, 5406875, 9626875, 15788075, 78940375, 394701875]

約数ペア:

[(1, 394701875), (5, 78940375), (25, 15788075), (41, 9626875), (73, 5406875), (125, 3157615), (205, 1925375), (211, 1870625), (365, 1081375), (625, 631523), (1025, 385075), (1055, 374125), (1825, 216275), (2993, 131875), (5125, 77015), (5275, 74825), (8651, 45625), (9125, 43255), (14965, 26375), (15403, 25625)]