201311440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2221}}^1$

素因数の和:2348

約数の個数: 80

約数和(自身を含む): 515788416

約数和(自身を除く): 314476976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 176, 206, 220, 412, 440, 515, 824, 880, 1030, 1133, 1648, 2060, 2221, 2266, 4120, 4442, 4532, 5665, 8240, 8884, 9064, 11105, 11330, 17768, 18128, 22210, 22660, 24431, 35536, 44420, 45320, 48862, 88840, 90640, 97724, 122155, 177680, 195448, 228763, 244310, 390896, 457526, 488620, 915052, 977240, 1143815, 1830104, 1954480, 2287630, 2516393, 3660208, 4575260, 5032786, 9150520, 10065572, 12581965, 18301040, 20131144, 25163930, 40262288, 50327860, 100655720, 201311440]

約数ペア:

[(1, 201311440), (2, 100655720), (4, 50327860), (5, 40262288), (8, 25163930), (10, 20131144), (11, 18301040), (16, 12581965), (20, 10065572), (22, 9150520), (40, 5032786), (44, 4575260), (55, 3660208), (80, 2516393), (88, 2287630), (103, 1954480), (110, 1830104), (176, 1143815), (206, 977240), (220, 915052), (412, 488620), (440, 457526), (515, 390896), (824, 244310), (880, 228763), (1030, 195448), (1133, 177680), (1648, 122155), (2060, 97724), (2221, 90640), (2266, 88840), (4120, 48862), (4442, 45320), (4532, 44420), (5665, 35536), (8240, 24431), (8884, 22660), (9064, 22210), (11105, 18128), (11330, 17768)]