389366960

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{82493}}^1$

素因数の和:82565

約数の個数: 40

約数和(自身を含む): 920633040

約数和(自身を除く): 531266080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 82493, 164986, 329972, 412465, 659944, 824930, 1319888, 1649860, 3299720, 4867087, 6599440, 9734174, 19468348, 24335435, 38936696, 48670870, 77873392, 97341740, 194683480, 389366960]

約数ペア:

[(1, 389366960), (2, 194683480), (4, 97341740), (5, 77873392), (8, 48670870), (10, 38936696), (16, 24335435), (20, 19468348), (40, 9734174), (59, 6599440), (80, 4867087), (118, 3299720), (236, 1649860), (295, 1319888), (472, 824930), (590, 659944), (944, 412465), (1180, 329972), (2360, 164986), (4720, 82493)]