212847440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2116

約数の個数: 80

約数和(自身を含む): 538382208

約数和(自身を除く): 325534768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 206, 208, 260, 412, 515, 520, 824, 1030, 1040, 1339, 1648, 1987, 2060, 2678, 3974, 4120, 5356, 6695, 7948, 8240, 9935, 10712, 13390, 15896, 19870, 21424, 25831, 26780, 31792, 39740, 51662, 53560, 79480, 103324, 107120, 129155, 158960, 204661, 206648, 258310, 409322, 413296, 516620, 818644, 1023305, 1033240, 1637288, 2046610, 2066480, 2660593, 3274576, 4093220, 5321186, 8186440, 10642372, 13302965, 16372880, 21284744, 26605930, 42569488, 53211860, 106423720, 212847440]

約数ペア:

[(1, 212847440), (2, 106423720), (4, 53211860), (5, 42569488), (8, 26605930), (10, 21284744), (13, 16372880), (16, 13302965), (20, 10642372), (26, 8186440), (40, 5321186), (52, 4093220), (65, 3274576), (80, 2660593), (103, 2066480), (104, 2046610), (130, 1637288), (206, 1033240), (208, 1023305), (260, 818644), (412, 516620), (515, 413296), (520, 409322), (824, 258310), (1030, 206648), (1040, 204661), (1339, 158960), (1648, 129155), (1987, 107120), (2060, 103324), (2678, 79480), (3974, 53560), (4120, 51662), (5356, 39740), (6695, 31792), (7948, 26780), (8240, 25831), (9935, 21424), (10712, 19870), (13390, 15896)]