390773920

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19231}}^1$

素因数の和:19373

約数の個数: 48

約数和(自身を含む): 930521088

約数和(自身を除く): 539747168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 19231, 20320, 38462, 76924, 96155, 153848, 192310, 307696, 384620, 615392, 769240, 1538480, 2442337, 3076960, 4884674, 9769348, 12211685, 19538696, 24423370, 39077392, 48846740, 78154784, 97693480, 195386960, 390773920]

約数ペア:

[(1, 390773920), (2, 195386960), (4, 97693480), (5, 78154784), (8, 48846740), (10, 39077392), (16, 24423370), (20, 19538696), (32, 12211685), (40, 9769348), (80, 4884674), (127, 3076960), (160, 2442337), (254, 1538480), (508, 769240), (635, 615392), (1016, 384620), (1270, 307696), (2032, 192310), (2540, 153848), (4064, 96155), (5080, 76924), (10160, 38462), (19231, 20320)]