257989221640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{6839587}}^1$

素因数の和:6839662

約数の個数: 64

約数和(自身を含む): 620487423360

約数和(自身を除く): 362498201720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 920, 943, 1640, 1886, 3772, 4715, 7544, 9430, 18860, 37720, 6839587, 13679174, 27358348, 34197935, 54716696, 68395870, 136791740, 157310501, 273583480, 280423067, 314621002, 560846134, 629242004, 786552505, 1121692268, 1258484008, 1402115335, 1573105010, 2243384536, 2804230670, 3146210020, 5608461340, 6292420040, 6449730541, 11216922680, 12899461082, 25798922164, 32248652705, 51597844328, 64497305410, 128994610820, 257989221640]

約数ペア:

[(1, 257989221640), (2, 128994610820), (4, 64497305410), (5, 51597844328), (8, 32248652705), (10, 25798922164), (20, 12899461082), (23, 11216922680), (40, 6449730541), (41, 6292420040), (46, 5608461340), (82, 3146210020), (92, 2804230670), (115, 2243384536), (164, 1573105010), (184, 1402115335), (205, 1258484008), (230, 1121692268), (328, 786552505), (410, 629242004), (460, 560846134), (820, 314621002), (920, 280423067), (943, 273583480), (1640, 157310501), (1886, 136791740), (3772, 68395870), (4715, 54716696), (7544, 34197935), (9430, 27358348), (18860, 13679174), (37720, 6839587)]