76817980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{19301}}^1$

素因数の和:19509

約数の個数: 24

約数和(自身を含む): 162136800

約数和(自身を除く): 85318820

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 19301, 38602, 77204, 96505, 193010, 386020, 3840899, 7681798, 15363596, 19204495, 38408990, 76817980]

約数ペア:

[(1, 76817980), (2, 38408990), (4, 19204495), (5, 15363596), (10, 7681798), (20, 3840899), (199, 386020), (398, 193010), (796, 96505), (995, 77204), (1990, 38602), (3980, 19301)]