31197100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 74995200

約数和(自身を除く): 43798100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 359, 395, 550, 718, 790, 869, 1100, 1436, 1580, 1738, 1795, 1975, 3476, 3590, 3949, 3950, 4345, 7180, 7898, 7900, 8690, 8975, 15796, 17380, 17950, 19745, 21725, 28361, 35900, 39490, 43450, 56722, 78980, 86900, 98725, 113444, 141805, 197450, 283610, 311971, 394900, 567220, 623942, 709025, 1247884, 1418050, 1559855, 2836100, 3119710, 6239420, 7799275, 15598550, 31197100]

約数ペア:

[(1, 31197100), (2, 15598550), (4, 7799275), (5, 6239420), (10, 3119710), (11, 2836100), (20, 1559855), (22, 1418050), (25, 1247884), (44, 709025), (50, 623942), (55, 567220), (79, 394900), (100, 311971), (110, 283610), (158, 197450), (220, 141805), (275, 113444), (316, 98725), (359, 86900), (395, 78980), (550, 56722), (718, 43450), (790, 39490), (869, 35900), (1100, 28361), (1436, 21725), (1580, 19745), (1738, 17950), (1795, 17380), (1975, 15796), (3476, 8975), (3590, 8690), (3949, 7900), (3950, 7898), (4345, 7180)]