304609520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{200401}}^1$

素因数の和:200433

約数の個数: 40

約数和(自身を含む): 745495440

約数和(自身を除く): 440885920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 200401, 400802, 801604, 1002005, 1603208, 2004010, 3206416, 3807619, 4008020, 7615238, 8016040, 15230476, 16032080, 19038095, 30460952, 38076190, 60921904, 76152380, 152304760, 304609520]

約数ペア:

[(1, 304609520), (2, 152304760), (4, 76152380), (5, 60921904), (8, 38076190), (10, 30460952), (16, 19038095), (19, 16032080), (20, 15230476), (38, 8016040), (40, 7615238), (76, 4008020), (80, 3807619), (95, 3206416), (152, 2004010), (190, 1603208), (304, 1002005), (380, 801604), (760, 400802), (1520, 200401)]