145053940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{557}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 316386000

約数和(自身を除く): 171332060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 449, 557, 580, 898, 1114, 1796, 2228, 2245, 2785, 4490, 5570, 8980, 11140, 13021, 16153, 26042, 32306, 52084, 64612, 65105, 80765, 130210, 161530, 250093, 260420, 323060, 500186, 1000372, 1250465, 2500930, 5001860, 7252697, 14505394, 29010788, 36263485, 72526970, 145053940]

約数ペア:

[(1, 145053940), (2, 72526970), (4, 36263485), (5, 29010788), (10, 14505394), (20, 7252697), (29, 5001860), (58, 2500930), (116, 1250465), (145, 1000372), (290, 500186), (449, 323060), (557, 260420), (580, 250093), (898, 161530), (1114, 130210), (1796, 80765), (2228, 65105), (2245, 64612), (2785, 52084), (4490, 32306), (5570, 26042), (8980, 16153), (11140, 13021)]