395016320

素因数分解:

$2^7\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2719}}^1$

素因数の和:2965

約数の個数: 64

約数和(自身を含む): 948844800

約数和(自身を除く): 553828480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 320, 454, 640, 908, 1135, 1816, 2270, 2719, 3632, 4540, 5438, 7264, 9080, 10876, 13595, 14528, 18160, 21752, 27190, 29056, 36320, 43504, 54380, 72640, 87008, 108760, 145280, 174016, 217520, 348032, 435040, 617213, 870080, 1234426, 1740160, 2468852, 3086065, 4937704, 6172130, 9875408, 12344260, 19750816, 24688520, 39501632, 49377040, 79003264, 98754080, 197508160, 395016320]

約数ペア:

[(1, 395016320), (2, 197508160), (4, 98754080), (5, 79003264), (8, 49377040), (10, 39501632), (16, 24688520), (20, 19750816), (32, 12344260), (40, 9875408), (64, 6172130), (80, 4937704), (128, 3086065), (160, 2468852), (227, 1740160), (320, 1234426), (454, 870080), (640, 617213), (908, 435040), (1135, 348032), (1816, 217520), (2270, 174016), (2719, 145280), (3632, 108760), (4540, 87008), (5438, 72640), (7264, 54380), (9080, 43504), (10876, 36320), (13595, 29056), (14528, 27190), (18160, 21752)]