331369760

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10513}}^1$

素因数の和:10725

約数の個数: 48

約数和(自身を含む): 786909816

約数和(自身を除く): 455540056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 6304, 7880, 10513, 15760, 21026, 31520, 42052, 52565, 84104, 105130, 168208, 210260, 336416, 420520, 841040, 1682080, 2071061, 4142122, 8284244, 10355305, 16568488, 20710610, 33136976, 41421220, 66273952, 82842440, 165684880, 331369760]

約数ペア:

[(1, 331369760), (2, 165684880), (4, 82842440), (5, 66273952), (8, 41421220), (10, 33136976), (16, 20710610), (20, 16568488), (32, 10355305), (40, 8284244), (80, 4142122), (160, 2071061), (197, 1682080), (394, 841040), (788, 420520), (985, 336416), (1576, 210260), (1970, 168208), (3152, 105130), (3940, 84104), (6304, 52565), (7880, 42052), (10513, 31520), (15760, 21026)]