454840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 1043280

約数和(自身を除く): 588440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 137, 166, 274, 332, 415, 548, 664, 685, 830, 1096, 1370, 1660, 2740, 3320, 5480, 11371, 22742, 45484, 56855, 90968, 113710, 227420, 454840]

約数ペア:

[(1, 454840), (2, 227420), (4, 113710), (5, 90968), (8, 56855), (10, 45484), (20, 22742), (40, 11371), (83, 5480), (137, 3320), (166, 2740), (274, 1660), (332, 1370), (415, 1096), (548, 830), (664, 685)]